Home / 277,749.03-416,645.14-90,779.43

Finding the Fourth Proportional to 277,749.03, 416,645.14 and 90,779.43

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Solution

The fourth proportional to 277,749.03, 416,645.14 and 90,779.43 is: 136,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,749.03 : 416,645.14 = 90,779.43 : x
  2. Step 2: Convert to fraction form
    277,749.03/416,645.14 = 90,779.43/x
  3. Step 3: Cross multiply
    277,749.03x = 416,645.14 × 90,779.43
  4. Step 4: Simplify right side
    277,749.03x = 37,822,808,321.47
  5. Step 5: Solve for x
    x = 37,822,808,321.47/277,749.03
  6. Step 6: Final answer
    x = 136,176.20

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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.