Home / 485,228.61-727,973.96-148,260.06

Finding the Fourth Proportional to 485,228.61, 727,973.96 and 148,260.06

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Solution

The fourth proportional to 485,228.61, 727,973.96 and 148,260.06 is: 222,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,228.61 : 727,973.96 = 148,260.06 : x
  2. Step 2: Convert to fraction form
    485,228.61/727,973.96 = 148,260.06/x
  3. Step 3: Cross multiply
    485,228.61x = 727,973.96 × 148,260.06
  4. Step 4: Simplify right side
    485,228.61x = 107,929,462,246.74
  5. Step 5: Solve for x
    x = 107,929,462,246.74/485,228.61
  6. Step 6: Final answer
    x = 222,430.13

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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.