Home / 260,584.48-390,483.06-193,710.88

Finding the Fourth Proportional to 260,584.48, 390,483.06 and 193,710.88

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Solution

The fourth proportional to 260,584.48, 390,483.06 and 193,710.88 is: 290,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,584.48 : 390,483.06 = 193,710.88 : x
  2. Step 2: Convert to fraction form
    260,584.48/390,483.06 = 193,710.88/x
  3. Step 3: Cross multiply
    260,584.48x = 390,483.06 × 193,710.88
  4. Step 4: Simplify right side
    260,584.48x = 75,640,817,177.69
  5. Step 5: Solve for x
    x = 75,640,817,177.69/260,584.48
  6. Step 6: Final answer
    x = 290,273.68

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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.