Home / 402,003.24-602,912.76-239,943

Finding the Fourth Proportional to 402,003.24, 602,912.76 and 239,943

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Solution

The fourth proportional to 402,003.24, 602,912.76 and 239,943 is: 359,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,003.24 : 602,912.76 = 239,943 : x
  2. Step 2: Convert to fraction form
    402,003.24/602,912.76 = 239,943/x
  3. Step 3: Cross multiply
    402,003.24x = 602,912.76 × 239,943
  4. Step 4: Simplify right side
    402,003.24x = 144,664,696,372.68
  5. Step 5: Solve for x
    x = 144,664,696,372.68/402,003.24
  6. Step 6: Final answer
    x = 359,859.53

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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.