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Finding the Fourth Proportional to 307,081.60, 460,622.40 and 157,272.10

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Solution

The fourth proportional to 307,081.60, 460,622.40 and 157,272.10 is: 235,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,081.60 : 460,622.40 = 157,272.10 : x
  2. Step 2: Convert to fraction form
    307,081.60/460,622.40 = 157,272.10/x
  3. Step 3: Cross multiply
    307,081.60x = 460,622.40 × 157,272.10
  4. Step 4: Simplify right side
    307,081.60x = 72,443,052,155.04
  5. Step 5: Solve for x
    x = 72,443,052,155.04/307,081.60
  6. Step 6: Final answer
    x = 235,908.15

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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.