Home / 420,060.64-579,697.76-229,084.48

Finding the Fourth Proportional to 420,060.64, 579,697.76 and 229,084.48

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Solution

The fourth proportional to 420,060.64, 579,697.76 and 229,084.48 is: 316,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,060.64 : 579,697.76 = 229,084.48 : x
  2. Step 2: Convert to fraction form
    420,060.64/579,697.76 = 229,084.48/x
  3. Step 3: Cross multiply
    420,060.64x = 579,697.76 × 229,084.48
  4. Step 4: Simplify right side
    420,060.64x = 132,799,759,906.77
  5. Step 5: Solve for x
    x = 132,799,759,906.77/420,060.64
  6. Step 6: Final answer
    x = 316,144.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.