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Finding the Fourth Proportional to 305,737.92, 457,420.32 and 268,014.24

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Solution

The fourth proportional to 305,737.92, 457,420.32 and 268,014.24 is: 400,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,737.92 : 457,420.32 = 268,014.24 : x
  2. Step 2: Convert to fraction form
    305,737.92/457,420.32 = 268,014.24/x
  3. Step 3: Cross multiply
    305,737.92x = 457,420.32 × 268,014.24
  4. Step 4: Simplify right side
    305,737.92x = 122,595,159,425.36
  5. Step 5: Solve for x
    x = 122,595,159,425.36/305,737.92
  6. Step 6: Final answer
    x = 400,981.20

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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.