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Finding the Fourth Proportional to 536,480.20, 804,482.70 and 181,397.80

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Solution

The fourth proportional to 536,480.20, 804,482.70 and 181,397.80 is: 272,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,480.20 : 804,482.70 = 181,397.80 : x
  2. Step 2: Convert to fraction form
    536,480.20/804,482.70 = 181,397.80/x
  3. Step 3: Cross multiply
    536,480.20x = 804,482.70 × 181,397.80
  4. Step 4: Simplify right side
    536,480.20x = 145,931,391,918.06
  5. Step 5: Solve for x
    x = 145,931,391,918.06/536,480.20
  6. Step 6: Final answer
    x = 272,016.36

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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.