Home / 261,775.35-361,265.42-197,130.54

Finding the Fourth Proportional to 261,775.35, 361,265.42 and 197,130.54

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Solution

The fourth proportional to 261,775.35, 361,265.42 and 197,130.54 is: 272,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,775.35 : 361,265.42 = 197,130.54 : x
  2. Step 2: Convert to fraction form
    261,775.35/361,265.42 = 197,130.54/x
  3. Step 3: Cross multiply
    261,775.35x = 361,265.42 × 197,130.54
  4. Step 4: Simplify right side
    261,775.35x = 71,216,445,726.77
  5. Step 5: Solve for x
    x = 71,216,445,726.77/261,775.35
  6. Step 6: Final answer
    x = 272,051.76

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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.