Home / 342,275.46-513,481.65-105,609.25

Finding the Fourth Proportional to 342,275.46, 513,481.65 and 105,609.25

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Solution

The fourth proportional to 342,275.46, 513,481.65 and 105,609.25 is: 158,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,275.46 : 513,481.65 = 105,609.25 : x
  2. Step 2: Convert to fraction form
    342,275.46/513,481.65 = 105,609.25/x
  3. Step 3: Cross multiply
    342,275.46x = 513,481.65 × 105,609.25
  4. Step 4: Simplify right side
    342,275.46x = 54,228,411,945.26
  5. Step 5: Solve for x
    x = 54,228,411,945.26/342,275.46
  6. Step 6: Final answer
    x = 158,435.00

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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.