Home / 429,326.20-592,485.42-238,342.60

Finding the Fourth Proportional to 429,326.20, 592,485.42 and 238,342.60

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Solution

The fourth proportional to 429,326.20, 592,485.42 and 238,342.60 is: 328,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,326.20 : 592,485.42 = 238,342.60 : x
  2. Step 2: Convert to fraction form
    429,326.20/592,485.42 = 238,342.60/x
  3. Step 3: Cross multiply
    429,326.20x = 592,485.42 × 238,342.60
  4. Step 4: Simplify right side
    429,326.20x = 141,214,515,464.89
  5. Step 5: Solve for x
    x = 141,214,515,464.89/429,326.20
  6. Step 6: Final answer
    x = 328,921.26

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1.5x scale

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.