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Finding the Fourth Proportional to 250,253.84, 375,417.40 and 72,737.76

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Solution

The fourth proportional to 250,253.84, 375,417.40 and 72,737.76 is: 109,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,253.84 : 375,417.40 = 72,737.76 : x
  2. Step 2: Convert to fraction form
    250,253.84/375,417.40 = 72,737.76/x
  3. Step 3: Cross multiply
    250,253.84x = 375,417.40 × 72,737.76
  4. Step 4: Simplify right side
    250,253.84x = 27,307,020,741.02
  5. Step 5: Solve for x
    x = 27,307,020,741.02/250,253.84
  6. Step 6: Final answer
    x = 109,117.29

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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.