Home / 260,202.47-390,037.85-147,644.91

Finding the Fourth Proportional to 260,202.47, 390,037.85 and 147,644.91

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Solution

The fourth proportional to 260,202.47, 390,037.85 and 147,644.91 is: 221,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,202.47 : 390,037.85 = 147,644.91 : x
  2. Step 2: Convert to fraction form
    260,202.47/390,037.85 = 147,644.91/x
  3. Step 3: Cross multiply
    260,202.47x = 390,037.85 × 147,644.91
  4. Step 4: Simplify right side
    260,202.47x = 57,587,102,521.62
  5. Step 5: Solve for x
    x = 57,587,102,521.62/260,202.47
  6. Step 6: Final answer
    x = 221,316.51

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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.