Home / 339,316.47-508,999.20-102,677.79

Finding the Fourth Proportional to 339,316.47, 508,999.20 and 102,677.79

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Solution

The fourth proportional to 339,316.47, 508,999.20 and 102,677.79 is: 154,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,316.47 : 508,999.20 = 102,677.79 : x
  2. Step 2: Convert to fraction form
    339,316.47/508,999.20 = 102,677.79/x
  3. Step 3: Cross multiply
    339,316.47x = 508,999.20 × 102,677.79
  4. Step 4: Simplify right side
    339,316.47x = 52,262,912,967.77
  5. Step 5: Solve for x
    x = 52,262,912,967.77/339,316.47
  6. Step 6: Final answer
    x = 154,024.10

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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.