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Finding the Fourth Proportional to 630,158.60, 945,237.90 and 230,812.40

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Solution

The fourth proportional to 630,158.60, 945,237.90 and 230,812.40 is: 346,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,158.60 : 945,237.90 = 230,812.40 : x
  2. Step 2: Convert to fraction form
    630,158.60/945,237.90 = 230,812.40/x
  3. Step 3: Cross multiply
    630,158.60x = 945,237.90 × 230,812.40
  4. Step 4: Simplify right side
    630,158.60x = 218,172,628,269.96
  5. Step 5: Solve for x
    x = 218,172,628,269.96/630,158.60
  6. Step 6: Final answer
    x = 346,218.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.