Home / 296,921.22-445,346.18-83,705.19

Finding the Fourth Proportional to 296,921.22, 445,346.18 and 83,705.19

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Solution

The fourth proportional to 296,921.22, 445,346.18 and 83,705.19 is: 125,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,921.22 : 445,346.18 = 83,705.19 : x
  2. Step 2: Convert to fraction form
    296,921.22/445,346.18 = 83,705.19/x
  3. Step 3: Cross multiply
    296,921.22x = 445,346.18 × 83,705.19
  4. Step 4: Simplify right side
    296,921.22x = 37,277,786,612.67
  5. Step 5: Solve for x
    x = 37,277,786,612.67/296,921.22
  6. Step 6: Final answer
    x = 125,547.73

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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.