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Finding the Fourth Proportional to 366,517.95, 549,758.70 and 189,042.90

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Solution

The fourth proportional to 366,517.95, 549,758.70 and 189,042.90 is: 283,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,517.95 : 549,758.70 = 189,042.90 : x
  2. Step 2: Convert to fraction form
    366,517.95/549,758.70 = 189,042.90/x
  3. Step 3: Cross multiply
    366,517.95x = 549,758.70 × 189,042.90
  4. Step 4: Simplify right side
    366,517.95x = 103,927,978,948.23
  5. Step 5: Solve for x
    x = 103,927,978,948.23/366,517.95
  6. Step 6: Final answer
    x = 283,554.95

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1.5x scale

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.