Home / 315,559.83-472,989.06-240,432.24

Finding the Fourth Proportional to 315,559.83, 472,989.06 and 240,432.24

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Solution

The fourth proportional to 315,559.83, 472,989.06 and 240,432.24 is: 360,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,559.83 : 472,989.06 = 240,432.24 : x
  2. Step 2: Convert to fraction form
    315,559.83/472,989.06 = 240,432.24/x
  3. Step 3: Cross multiply
    315,559.83x = 472,989.06 × 240,432.24
  4. Step 4: Simplify right side
    315,559.83x = 113,721,819,191.29
  5. Step 5: Solve for x
    x = 113,721,819,191.29/315,559.83
  6. Step 6: Final answer
    x = 360,381.17

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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.