Home / 415,675.86-623,579.49-135,127.50

Finding the Fourth Proportional to 415,675.86, 623,579.49 and 135,127.50

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Solution

The fourth proportional to 415,675.86, 623,579.49 and 135,127.50 is: 202,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,675.86 : 623,579.49 = 135,127.50 : x
  2. Step 2: Convert to fraction form
    415,675.86/623,579.49 = 135,127.50/x
  3. Step 3: Cross multiply
    415,675.86x = 623,579.49 × 135,127.50
  4. Step 4: Simplify right side
    415,675.86x = 84,262,737,534.98
  5. Step 5: Solve for x
    x = 84,262,737,534.98/415,675.86
  6. Step 6: Final answer
    x = 202,712.61

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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.