Home / 256,995.16-385,271.04-123,692.04

Finding the Fourth Proportional to 256,995.16, 385,271.04 and 123,692.04

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Solution

The fourth proportional to 256,995.16, 385,271.04 and 123,692.04 is: 185,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,995.16 : 385,271.04 = 123,692.04 : x
  2. Step 2: Convert to fraction form
    256,995.16/385,271.04 = 123,692.04/x
  3. Step 3: Cross multiply
    256,995.16x = 385,271.04 × 123,692.04
  4. Step 4: Simplify right side
    256,995.16x = 47,654,960,890.52
  5. Step 5: Solve for x
    x = 47,654,960,890.52/256,995.16
  6. Step 6: Final answer
    x = 185,431.36

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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.