Home / 311,948.48-430,290.72-204,525.52

Finding the Fourth Proportional to 311,948.48, 430,290.72 and 204,525.52

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Solution

The fourth proportional to 311,948.48, 430,290.72 and 204,525.52 is: 282,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,948.48 : 430,290.72 = 204,525.52 : x
  2. Step 2: Convert to fraction form
    311,948.48/430,290.72 = 204,525.52/x
  3. Step 3: Cross multiply
    311,948.48x = 430,290.72 × 204,525.52
  4. Step 4: Simplify right side
    311,948.48x = 88,005,433,259.17
  5. Step 5: Solve for x
    x = 88,005,433,259.17/311,948.48
  6. Step 6: Final answer
    x = 282,115.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.