Home / 257,850.12-355,839.30-144,681.24

Finding the Fourth Proportional to 257,850.12, 355,839.30 and 144,681.24

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Solution

The fourth proportional to 257,850.12, 355,839.30 and 144,681.24 is: 199,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,850.12 : 355,839.30 = 144,681.24 : x
  2. Step 2: Convert to fraction form
    257,850.12/355,839.30 = 144,681.24/x
  3. Step 3: Cross multiply
    257,850.12x = 355,839.30 × 144,681.24
  4. Step 4: Simplify right side
    257,850.12x = 51,483,271,164.73
  5. Step 5: Solve for x
    x = 51,483,271,164.73/257,850.12
  6. Step 6: Final answer
    x = 199,663.55

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1.5x scale

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.