Home / 428,935.74-592,002.28-238,010.64

Finding the Fourth Proportional to 428,935.74, 592,002.28 and 238,010.64

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Solution

The fourth proportional to 428,935.74, 592,002.28 and 238,010.64 is: 328,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,935.74 : 592,002.28 = 238,010.64 : x
  2. Step 2: Convert to fraction form
    428,935.74/592,002.28 = 238,010.64/x
  3. Step 3: Cross multiply
    428,935.74x = 592,002.28 × 238,010.64
  4. Step 4: Simplify right side
    428,935.74x = 140,902,841,841.77
  5. Step 5: Solve for x
    x = 140,902,841,841.77/428,935.74
  6. Step 6: Final answer
    x = 328,494.06

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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.