Home / 428,316.93-591,044.85-237,326.22

Finding the Fourth Proportional to 428,316.93, 591,044.85 and 237,326.22

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Solution

The fourth proportional to 428,316.93, 591,044.85 and 237,326.22 is: 327,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,316.93 : 591,044.85 = 237,326.22 : x
  2. Step 2: Convert to fraction form
    428,316.93/591,044.85 = 237,326.22/x
  3. Step 3: Cross multiply
    428,316.93x = 591,044.85 × 237,326.22
  4. Step 4: Simplify right side
    428,316.93x = 140,270,440,100.97
  5. Step 5: Solve for x
    x = 140,270,440,100.97/428,316.93
  6. Step 6: Final answer
    x = 327,492.17

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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.