Home / 355,286.10-532,669.95-144,815.70

Finding the Fourth Proportional to 355,286.10, 532,669.95 and 144,815.70

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Solution

The fourth proportional to 355,286.10, 532,669.95 and 144,815.70 is: 217,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,286.10 : 532,669.95 = 144,815.70 : x
  2. Step 2: Convert to fraction form
    355,286.10/532,669.95 = 144,815.70/x
  3. Step 3: Cross multiply
    355,286.10x = 532,669.95 × 144,815.70
  4. Step 4: Simplify right side
    355,286.10x = 77,138,971,678.22
  5. Step 5: Solve for x
    x = 77,138,971,678.22/355,286.10
  6. Step 6: Final answer
    x = 217,117.90

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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.