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Finding the Fourth Proportional to 603,646.24, 905,468.40 and 160,414.24

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Solution

The fourth proportional to 603,646.24, 905,468.40 and 160,414.24 is: 240,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,646.24 : 905,468.40 = 160,414.24 : x
  2. Step 2: Convert to fraction form
    603,646.24/905,468.40 = 160,414.24/x
  3. Step 3: Cross multiply
    603,646.24x = 905,468.40 × 160,414.24
  4. Step 4: Simplify right side
    603,646.24x = 145,250,025,230.02
  5. Step 5: Solve for x
    x = 145,250,025,230.02/603,646.24
  6. Step 6: Final answer
    x = 240,621.10

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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.