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Finding the Fourth Proportional to 245,631.60, 368,447.40 and 183,423.60

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Solution

The fourth proportional to 245,631.60, 368,447.40 and 183,423.60 is: 275,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,631.60 : 368,447.40 = 183,423.60 : x
  2. Step 2: Convert to fraction form
    245,631.60/368,447.40 = 183,423.60/x
  3. Step 3: Cross multiply
    245,631.60x = 368,447.40 × 183,423.60
  4. Step 4: Simplify right side
    245,631.60x = 67,581,948,518.64
  5. Step 5: Solve for x
    x = 67,581,948,518.64/245,631.60
  6. Step 6: Final answer
    x = 275,135.40

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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.