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Finding the Fourth Proportional to 190,200.60, 285,300.90 and 48,045.60

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Solution

The fourth proportional to 190,200.60, 285,300.90 and 48,045.60 is: 72,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,200.60 : 285,300.90 = 48,045.60 : x
  2. Step 2: Convert to fraction form
    190,200.60/285,300.90 = 48,045.60/x
  3. Step 3: Cross multiply
    190,200.60x = 285,300.90 × 48,045.60
  4. Step 4: Simplify right side
    190,200.60x = 13,707,452,921.04
  5. Step 5: Solve for x
    x = 13,707,452,921.04/190,200.60
  6. Step 6: Final answer
    x = 72,068.40

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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.