Home / 354,839.12-531,713.65-240,838.81

Finding the Fourth Proportional to 354,839.12, 531,713.65 and 240,838.81

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Solution

The fourth proportional to 354,839.12, 531,713.65 and 240,838.81 is: 360,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,839.12 : 531,713.65 = 240,838.81 : x
  2. Step 2: Convert to fraction form
    354,839.12/531,713.65 = 240,838.81/x
  3. Step 3: Cross multiply
    354,839.12x = 531,713.65 × 240,838.81
  4. Step 4: Simplify right side
    354,839.12x = 128,057,282,726.76
  5. Step 5: Solve for x
    x = 128,057,282,726.76/354,839.12
  6. Step 6: Final answer
    x = 360,888.29

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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.