Home / 262,342.04-393,549.71-129,223.40

Finding the Fourth Proportional to 262,342.04, 393,549.71 and 129,223.40

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Solution

The fourth proportional to 262,342.04, 393,549.71 and 129,223.40 is: 193,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,342.04 : 393,549.71 = 129,223.40 : x
  2. Step 2: Convert to fraction form
    262,342.04/393,549.71 = 129,223.40/x
  3. Step 3: Cross multiply
    262,342.04x = 393,549.71 × 129,223.40
  4. Step 4: Simplify right side
    262,342.04x = 50,855,828,981.35
  5. Step 5: Solve for x
    x = 50,855,828,981.35/262,342.04
  6. Step 6: Final answer
    x = 193,853.15

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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.