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Finding the Fourth Proportional to 307,080.60, 460,620.90 and 157,271.10

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Solution

The fourth proportional to 307,080.60, 460,620.90 and 157,271.10 is: 235,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,080.60 : 460,620.90 = 157,271.10 : x
  2. Step 2: Convert to fraction form
    307,080.60/460,620.90 = 157,271.10/x
  3. Step 3: Cross multiply
    307,080.60x = 460,620.90 × 157,271.10
  4. Step 4: Simplify right side
    307,080.60x = 72,442,355,625.99
  5. Step 5: Solve for x
    x = 72,442,355,625.99/307,080.60
  6. Step 6: Final answer
    x = 235,906.65

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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.