Home / 243,845.69-336,512.21-147,049.47

Finding the Fourth Proportional to 243,845.69, 336,512.21 and 147,049.47

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Solution

The fourth proportional to 243,845.69, 336,512.21 and 147,049.47 is: 202,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,845.69 : 336,512.21 = 147,049.47 : x
  2. Step 2: Convert to fraction form
    243,845.69/336,512.21 = 147,049.47/x
  3. Step 3: Cross multiply
    243,845.69x = 336,512.21 × 147,049.47
  4. Step 4: Simplify right side
    243,845.69x = 49,483,941,393.78
  5. Step 5: Solve for x
    x = 49,483,941,393.78/243,845.69
  6. Step 6: Final answer
    x = 202,931.38

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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.