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Finding the Fourth Proportional to 456,853.60, 630,465.60 and 250,140.04

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Solution

The fourth proportional to 456,853.60, 630,465.60 and 250,140.04 is: 345,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,853.60 : 630,465.60 = 250,140.04 : x
  2. Step 2: Convert to fraction form
    456,853.60/630,465.60 = 250,140.04/x
  3. Step 3: Cross multiply
    456,853.60x = 630,465.60 × 250,140.04
  4. Step 4: Simplify right side
    456,853.60x = 157,704,690,402.62
  5. Step 5: Solve for x
    x = 157,704,690,402.62/456,853.60
  6. Step 6: Final answer
    x = 345,197.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.