Home / 453,302.04-679,395.36-200,309.88

Finding the Fourth Proportional to 453,302.04, 679,395.36 and 200,309.88

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Solution

The fourth proportional to 453,302.04, 679,395.36 and 200,309.88 is: 300,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,302.04 : 679,395.36 = 200,309.88 : x
  2. Step 2: Convert to fraction form
    453,302.04/679,395.36 = 200,309.88/x
  3. Step 3: Cross multiply
    453,302.04x = 679,395.36 × 200,309.88
  4. Step 4: Simplify right side
    453,302.04x = 136,089,603,034.16
  5. Step 5: Solve for x
    x = 136,089,603,034.16/453,302.04
  6. Step 6: Final answer
    x = 300,218.38

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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.