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Finding the Fourth Proportional to 366,948.80, 549,904.80 and 271,433.60

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Solution

The fourth proportional to 366,948.80, 549,904.80 and 271,433.60 is: 406,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.80 : 549,904.80 = 271,433.60 : x
  2. Step 2: Convert to fraction form
    366,948.80/549,904.80 = 271,433.60/x
  3. Step 3: Cross multiply
    366,948.80x = 549,904.80 × 271,433.60
  4. Step 4: Simplify right side
    366,948.80x = 149,262,639,521.28
  5. Step 5: Solve for x
    x = 149,262,639,521.28/366,948.80
  6. Step 6: Final answer
    x = 406,766.94

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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.