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Finding the Fourth Proportional to 245,250.24, 338,454.24 and 137,822.40

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Solution

The fourth proportional to 245,250.24, 338,454.24 and 137,822.40 is: 190,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,250.24 : 338,454.24 = 137,822.40 : x
  2. Step 2: Convert to fraction form
    245,250.24/338,454.24 = 137,822.40/x
  3. Step 3: Cross multiply
    245,250.24x = 338,454.24 × 137,822.40
  4. Step 4: Simplify right side
    245,250.24x = 46,646,575,646.98
  5. Step 5: Solve for x
    x = 46,646,575,646.98/245,250.24
  6. Step 6: Final answer
    x = 190,199.92

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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.