Home / 515,875.03-773,514.56-199,962.88

Finding the Fourth Proportional to 515,875.03, 773,514.56 and 199,962.88

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Solution

The fourth proportional to 515,875.03, 773,514.56 and 199,962.88 is: 299,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,875.03 : 773,514.56 = 199,962.88 : x
  2. Step 2: Convert to fraction form
    515,875.03/773,514.56 = 199,962.88/x
  3. Step 3: Cross multiply
    515,875.03x = 773,514.56 × 199,962.88
  4. Step 4: Simplify right side
    515,875.03x = 154,674,197,705.65
  5. Step 5: Solve for x
    x = 154,674,197,705.65/515,875.03
  6. Step 6: Final answer
    x = 299,828.81

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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.