Home / 402,114.48-554,923.77-220,842.72

Finding the Fourth Proportional to 402,114.48, 554,923.77 and 220,842.72

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Solution

The fourth proportional to 402,114.48, 554,923.77 and 220,842.72 is: 304,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,114.48 : 554,923.77 = 220,842.72 : x
  2. Step 2: Convert to fraction form
    402,114.48/554,923.77 = 220,842.72/x
  3. Step 3: Cross multiply
    402,114.48x = 554,923.77 × 220,842.72
  4. Step 4: Simplify right side
    402,114.48x = 122,550,874,759.45
  5. Step 5: Solve for x
    x = 122,550,874,759.45/402,114.48
  6. Step 6: Final answer
    x = 304,766.13

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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.