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Finding the Fourth Proportional to 305,993.92, 459,127.50 and 156,155.32

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Solution

The fourth proportional to 305,993.92, 459,127.50 and 156,155.32 is: 234,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,993.92 : 459,127.50 = 156,155.32 : x
  2. Step 2: Convert to fraction form
    305,993.92/459,127.50 = 156,155.32/x
  3. Step 3: Cross multiply
    305,993.92x = 459,127.50 × 156,155.32
  4. Step 4: Simplify right side
    305,993.92x = 71,695,201,683.30
  5. Step 5: Solve for x
    x = 71,695,201,683.30/305,993.92
  6. Step 6: Final answer
    x = 234,302.70

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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.