Home / 415,631.20-622,525.20-249,743.20

Finding the Fourth Proportional to 415,631.20, 622,525.20 and 249,743.20

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Solution

The fourth proportional to 415,631.20, 622,525.20 and 249,743.20 is: 374,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,631.20 : 622,525.20 = 249,743.20 : x
  2. Step 2: Convert to fraction form
    415,631.20/622,525.20 = 249,743.20/x
  3. Step 3: Cross multiply
    415,631.20x = 622,525.20 × 249,743.20
  4. Step 4: Simplify right side
    415,631.20x = 155,471,435,528.64
  5. Step 5: Solve for x
    x = 155,471,435,528.64/415,631.20
  6. Step 6: Final answer
    x = 374,061.03

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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.