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Finding the Fourth Proportional to 366,988.30, 549,964.05 and 271,473.10

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Solution

The fourth proportional to 366,988.30, 549,964.05 and 271,473.10 is: 406,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.30 : 549,964.05 = 271,473.10 : x
  2. Step 2: Convert to fraction form
    366,988.30/549,964.05 = 271,473.10/x
  3. Step 3: Cross multiply
    366,988.30x = 549,964.05 × 271,473.10
  4. Step 4: Simplify right side
    366,988.30x = 149,300,445,542.06
  5. Step 5: Solve for x
    x = 149,300,445,542.06/366,988.30
  6. Step 6: Final answer
    x = 406,826.17

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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.