Home / 438,311.80-657,533.43-153,952.22

Finding the Fourth Proportional to 438,311.80, 657,533.43 and 153,952.22

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Solution

The fourth proportional to 438,311.80, 657,533.43 and 153,952.22 is: 230,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,311.80 : 657,533.43 = 153,952.22 : x
  2. Step 2: Convert to fraction form
    438,311.80/657,533.43 = 153,952.22/x
  3. Step 3: Cross multiply
    438,311.80x = 657,533.43 × 153,952.22
  4. Step 4: Simplify right side
    438,311.80x = 101,228,732,916.55
  5. Step 5: Solve for x
    x = 101,228,732,916.55/438,311.80
  6. Step 6: Final answer
    x = 230,951.42

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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.