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Finding the Fourth Proportional to 253,737.93, 380,487.71 and 147,152.18

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Solution

The fourth proportional to 253,737.93, 380,487.71 and 147,152.18 is: 220,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,737.93 : 380,487.71 = 147,152.18 : x
  2. Step 2: Convert to fraction form
    253,737.93/380,487.71 = 147,152.18/x
  3. Step 3: Cross multiply
    253,737.93x = 380,487.71 × 147,152.18
  4. Step 4: Simplify right side
    253,737.93x = 55,989,593,351.51
  5. Step 5: Solve for x
    x = 55,989,593,351.51/253,737.93
  6. Step 6: Final answer
    x = 220,659.14

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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.