Home / 354,233.04-531,351.95-129,501.02

Finding the Fourth Proportional to 354,233.04, 531,351.95 and 129,501.02

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Solution

The fourth proportional to 354,233.04, 531,351.95 and 129,501.02 is: 194,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,233.04 : 531,351.95 = 129,501.02 : x
  2. Step 2: Convert to fraction form
    354,233.04/531,351.95 = 129,501.02/x
  3. Step 3: Cross multiply
    354,233.04x = 531,351.95 × 129,501.02
  4. Step 4: Simplify right side
    354,233.04x = 68,810,616,199.72
  5. Step 5: Solve for x
    x = 68,810,616,199.72/354,233.04
  6. Step 6: Final answer
    x = 194,252.39

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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.