Home / 438,364.98-657,426.81-150,172.38

Finding the Fourth Proportional to 438,364.98, 657,426.81 and 150,172.38

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Solution

The fourth proportional to 438,364.98, 657,426.81 and 150,172.38 is: 225,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,364.98 : 657,426.81 = 150,172.38 : x
  2. Step 2: Convert to fraction form
    438,364.98/657,426.81 = 150,172.38/x
  3. Step 3: Cross multiply
    438,364.98x = 657,426.81 × 150,172.38
  4. Step 4: Simplify right side
    438,364.98x = 98,727,349,296.65
  5. Step 5: Solve for x
    x = 98,727,349,296.65/438,364.98
  6. Step 6: Final answer
    x = 225,217.24

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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.