Home / 438,268.73-657,650.95-238,602.92

Finding the Fourth Proportional to 438,268.73, 657,650.95 and 238,602.92

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Solution

The fourth proportional to 438,268.73, 657,650.95 and 238,602.92 is: 358,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,268.73 : 657,650.95 = 238,602.92 : x
  2. Step 2: Convert to fraction form
    438,268.73/657,650.95 = 238,602.92/x
  3. Step 3: Cross multiply
    438,268.73x = 657,650.95 × 238,602.92
  4. Step 4: Simplify right side
    438,268.73x = 156,917,433,126.01
  5. Step 5: Solve for x
    x = 156,917,433,126.01/438,268.73
  6. Step 6: Final answer
    x = 358,039.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.