Home / 260,835.76-390,988.95-148,283.47

Finding the Fourth Proportional to 260,835.76, 390,988.95 and 148,283.47

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Solution

The fourth proportional to 260,835.76, 390,988.95 and 148,283.47 is: 222,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,835.76 : 390,988.95 = 148,283.47 : x
  2. Step 2: Convert to fraction form
    260,835.76/390,988.95 = 148,283.47/x
  3. Step 3: Cross multiply
    260,835.76x = 390,988.95 × 148,283.47
  4. Step 4: Simplify right side
    260,835.76x = 57,977,198,237.66
  5. Step 5: Solve for x
    x = 57,977,198,237.66/260,835.76
  6. Step 6: Final answer
    x = 222,274.73

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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.