Home / 438,532.26-657,743.72-123,013.77

Finding the Fourth Proportional to 438,532.26, 657,743.72 and 123,013.77

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Solution

The fourth proportional to 438,532.26, 657,743.72 and 123,013.77 is: 184,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,532.26 : 657,743.72 = 123,013.77 : x
  2. Step 2: Convert to fraction form
    438,532.26/657,743.72 = 123,013.77/x
  3. Step 3: Cross multiply
    438,532.26x = 657,743.72 × 123,013.77
  4. Step 4: Simplify right side
    438,532.26x = 80,911,534,075.96
  5. Step 5: Solve for x
    x = 80,911,534,075.96/438,532.26
  6. Step 6: Final answer
    x = 184,505.32

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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.