Home / 356,031.48-534,045.87-145,669.35

Finding the Fourth Proportional to 356,031.48, 534,045.87 and 145,669.35

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Solution

The fourth proportional to 356,031.48, 534,045.87 and 145,669.35 is: 218,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,031.48 : 534,045.87 = 145,669.35 : x
  2. Step 2: Convert to fraction form
    356,031.48/534,045.87 = 145,669.35/x
  3. Step 3: Cross multiply
    356,031.48x = 534,045.87 × 145,669.35
  4. Step 4: Simplify right side
    356,031.48x = 77,794,114,753.08
  5. Step 5: Solve for x
    x = 77,794,114,753.08/356,031.48
  6. Step 6: Final answer
    x = 218,503.47

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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.