Home / 485,952.48-670,615.20-268,156.08

Finding the Fourth Proportional to 485,952.48, 670,615.20 and 268,156.08

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Solution

The fourth proportional to 485,952.48, 670,615.20 and 268,156.08 is: 370,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,952.48 : 670,615.20 = 268,156.08 : x
  2. Step 2: Convert to fraction form
    485,952.48/670,615.20 = 268,156.08/x
  3. Step 3: Cross multiply
    485,952.48x = 670,615.20 × 268,156.08
  4. Step 4: Simplify right side
    485,952.48x = 179,829,543,220.42
  5. Step 5: Solve for x
    x = 179,829,543,220.42/485,952.48
  6. Step 6: Final answer
    x = 370,055.82

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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.