Home / 579,586.20-869,279.67-153,126.60

Finding the Fourth Proportional to 579,586.20, 869,279.67 and 153,126.60

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Solution

The fourth proportional to 579,586.20, 869,279.67 and 153,126.60 is: 229,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,586.20 : 869,279.67 = 153,126.60 : x
  2. Step 2: Convert to fraction form
    579,586.20/869,279.67 = 153,126.60/x
  3. Step 3: Cross multiply
    579,586.20x = 869,279.67 × 153,126.60
  4. Step 4: Simplify right side
    579,586.20x = 133,109,840,316.22
  5. Step 5: Solve for x
    x = 133,109,840,316.22/579,586.20
  6. Step 6: Final answer
    x = 229,663.58

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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.