Home / 579,731.16-869,566.50-159,007.80

Finding the Fourth Proportional to 579,731.16, 869,566.50 and 159,007.80

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Solution

The fourth proportional to 579,731.16, 869,566.50 and 159,007.80 is: 238,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,731.16 : 869,566.50 = 159,007.80 : x
  2. Step 2: Convert to fraction form
    579,731.16/869,566.50 = 159,007.80/x
  3. Step 3: Cross multiply
    579,731.16x = 869,566.50 × 159,007.80
  4. Step 4: Simplify right side
    579,731.16x = 138,267,856,118.70
  5. Step 5: Solve for x
    x = 138,267,856,118.70/579,731.16
  6. Step 6: Final answer
    x = 238,503.41

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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.