Home / 366,836.80-549,935.20-142,350.40

Finding the Fourth Proportional to 366,836.80, 549,935.20 and 142,350.40

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Solution

The fourth proportional to 366,836.80, 549,935.20 and 142,350.40 is: 213,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,836.80 : 549,935.20 = 142,350.40 : x
  2. Step 2: Convert to fraction form
    366,836.80/549,935.20 = 142,350.40/x
  3. Step 3: Cross multiply
    366,836.80x = 549,935.20 × 142,350.40
  4. Step 4: Simplify right side
    366,836.80x = 78,283,495,694.08
  5. Step 5: Solve for x
    x = 78,283,495,694.08/366,836.80
  6. Step 6: Final answer
    x = 213,401.42

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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.