Home / 288,448.50-397,800.36-240,210.17

Finding the Fourth Proportional to 288,448.50, 397,800.36 and 240,210.17

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Solution

The fourth proportional to 288,448.50, 397,800.36 and 240,210.17 is: 331,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,448.50 : 397,800.36 = 240,210.17 : x
  2. Step 2: Convert to fraction form
    288,448.50/397,800.36 = 240,210.17/x
  3. Step 3: Cross multiply
    288,448.50x = 397,800.36 × 240,210.17
  4. Step 4: Simplify right side
    288,448.50x = 95,555,690,112.66
  5. Step 5: Solve for x
    x = 95,555,690,112.66/288,448.50
  6. Step 6: Final answer
    x = 331,274.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.