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Finding the Fourth Proportional to 503,113.68, 754,510.41 and 166,091.58

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Solution

The fourth proportional to 503,113.68, 754,510.41 and 166,091.58 is: 249,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,113.68 : 754,510.41 = 166,091.58 : x
  2. Step 2: Convert to fraction form
    503,113.68/754,510.41 = 166,091.58/x
  3. Step 3: Cross multiply
    503,113.68x = 754,510.41 × 166,091.58
  4. Step 4: Simplify right side
    503,113.68x = 125,317,826,123.35
  5. Step 5: Solve for x
    x = 125,317,826,123.35/503,113.68
  6. Step 6: Final answer
    x = 249,084.51

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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.