Home / 429,113.66-592,204.59-238,127.06

Finding the Fourth Proportional to 429,113.66, 592,204.59 and 238,127.06

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Solution

The fourth proportional to 429,113.66, 592,204.59 and 238,127.06 is: 328,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,113.66 : 592,204.59 = 238,127.06 : x
  2. Step 2: Convert to fraction form
    429,113.66/592,204.59 = 238,127.06/x
  3. Step 3: Cross multiply
    429,113.66x = 592,204.59 × 238,127.06
  4. Step 4: Simplify right side
    429,113.66x = 141,019,934,974.18
  5. Step 5: Solve for x
    x = 141,019,934,974.18/429,113.66
  6. Step 6: Final answer
    x = 328,630.73

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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.