Home / 438,077.52-657,017.18-201,192.48

Finding the Fourth Proportional to 438,077.52, 657,017.18 and 201,192.48

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Solution

The fourth proportional to 438,077.52, 657,017.18 and 201,192.48 is: 301,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,077.52 : 657,017.18 = 201,192.48 : x
  2. Step 2: Convert to fraction form
    438,077.52/657,017.18 = 201,192.48/x
  3. Step 3: Cross multiply
    438,077.52x = 657,017.18 × 201,192.48
  4. Step 4: Simplify right side
    438,077.52x = 132,186,915,846.81
  5. Step 5: Solve for x
    x = 132,186,915,846.81/438,077.52
  6. Step 6: Final answer
    x = 301,743.21

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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.