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Finding the Fourth Proportional to 307,168.48, 460,436.68 and 117,584.20

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Solution

The fourth proportional to 307,168.48, 460,436.68 and 117,584.20 is: 176,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,168.48 : 460,436.68 = 117,584.20 : x
  2. Step 2: Convert to fraction form
    307,168.48/460,436.68 = 117,584.20/x
  3. Step 3: Cross multiply
    307,168.48x = 460,436.68 × 117,584.20
  4. Step 4: Simplify right side
    307,168.48x = 54,140,078,668.46
  5. Step 5: Solve for x
    x = 54,140,078,668.46/307,168.48
  6. Step 6: Final answer
    x = 176,255.32

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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.