Home / 515,045.04-772,449.48-141,097.20

Finding the Fourth Proportional to 515,045.04, 772,449.48 and 141,097.20

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Solution

The fourth proportional to 515,045.04, 772,449.48 and 141,097.20 is: 211,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,045.04 : 772,449.48 = 141,097.20 : x
  2. Step 2: Convert to fraction form
    515,045.04/772,449.48 = 141,097.20/x
  3. Step 3: Cross multiply
    515,045.04x = 772,449.48 × 141,097.20
  4. Step 4: Simplify right side
    515,045.04x = 108,990,458,769.46
  5. Step 5: Solve for x
    x = 108,990,458,769.46/515,045.04
  6. Step 6: Final answer
    x = 211,613.45

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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.