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Finding the Fourth Proportional to 253,737.18, 350,157.57 and 137,450.91

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Solution

The fourth proportional to 253,737.18, 350,157.57 and 137,450.91 is: 189,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,737.18 : 350,157.57 = 137,450.91 : x
  2. Step 2: Convert to fraction form
    253,737.18/350,157.57 = 137,450.91/x
  3. Step 3: Cross multiply
    253,737.18x = 350,157.57 × 137,450.91
  4. Step 4: Simplify right side
    253,737.18x = 48,129,476,639.89
  5. Step 5: Solve for x
    x = 48,129,476,639.89/253,737.18
  6. Step 6: Final answer
    x = 189,682.40

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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.