Home / 316,155.13-436,094.60-220,626.97

Finding the Fourth Proportional to 316,155.13, 436,094.60 and 220,626.97

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Solution

The fourth proportional to 316,155.13, 436,094.60 and 220,626.97 is: 304,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,155.13 : 436,094.60 = 220,626.97 : x
  2. Step 2: Convert to fraction form
    316,155.13/436,094.60 = 220,626.97/x
  3. Step 3: Cross multiply
    316,155.13x = 436,094.60 × 220,626.97
  4. Step 4: Simplify right side
    316,155.13x = 96,214,229,128.23
  5. Step 5: Solve for x
    x = 96,214,229,128.23/316,155.13
  6. Step 6: Final answer
    x = 304,326.01

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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.