Home / 429,689.93-592,961.46-238,703.79

Finding the Fourth Proportional to 429,689.93, 592,961.46 and 238,703.79

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Solution

The fourth proportional to 429,689.93, 592,961.46 and 238,703.79 is: 329,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,689.93 : 592,961.46 = 238,703.79 : x
  2. Step 2: Convert to fraction form
    429,689.93/592,961.46 = 238,703.79/x
  3. Step 3: Cross multiply
    429,689.93x = 592,961.46 × 238,703.79
  4. Step 4: Simplify right side
    429,689.93x = 141,542,147,825.93
  5. Step 5: Solve for x
    x = 141,542,147,825.93/429,689.93
  6. Step 6: Final answer
    x = 329,405.32

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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.