Home / 438,230.90-657,419.02-153,847.64

Finding the Fourth Proportional to 438,230.90, 657,419.02 and 153,847.64

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Solution

The fourth proportional to 438,230.90, 657,419.02 and 153,847.64 is: 230,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,230.90 : 657,419.02 = 153,847.64 : x
  2. Step 2: Convert to fraction form
    438,230.90/657,419.02 = 153,847.64/x
  3. Step 3: Cross multiply
    438,230.90x = 657,419.02 × 153,847.64
  4. Step 4: Simplify right side
    438,230.90x = 101,142,364,718.11
  5. Step 5: Solve for x
    x = 101,142,364,718.11/438,230.90
  6. Step 6: Final answer
    x = 230,796.97

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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.