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Finding the Fourth Proportional to 354,375.60, 531,550.60 and 144,007.60

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Solution

The fourth proportional to 354,375.60, 531,550.60 and 144,007.60 is: 216,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,375.60 : 531,550.60 = 144,007.60 : x
  2. Step 2: Convert to fraction form
    354,375.60/531,550.60 = 144,007.60/x
  3. Step 3: Cross multiply
    354,375.60x = 531,550.60 × 144,007.60
  4. Step 4: Simplify right side
    354,375.60x = 76,547,326,184.56
  5. Step 5: Solve for x
    x = 76,547,326,184.56/354,375.60
  6. Step 6: Final answer
    x = 216,006.20

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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.