Home / 343,987.08-515,962.40-107,302.65

Finding the Fourth Proportional to 343,987.08, 515,962.40 and 107,302.65

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Solution

The fourth proportional to 343,987.08, 515,962.40 and 107,302.65 is: 160,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,987.08 : 515,962.40 = 107,302.65 : x
  2. Step 2: Convert to fraction form
    343,987.08/515,962.40 = 107,302.65/x
  3. Step 3: Cross multiply
    343,987.08x = 515,962.40 × 107,302.65
  4. Step 4: Simplify right side
    343,987.08x = 55,364,132,283.85
  5. Step 5: Solve for x
    x = 55,364,132,283.85/343,987.08
  6. Step 6: Final answer
    x = 160,948.29

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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.