Home / 286,371.46-395,197.50-157,315.38

Finding the Fourth Proportional to 286,371.46, 395,197.50 and 157,315.38

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Solution

The fourth proportional to 286,371.46, 395,197.50 and 157,315.38 is: 217,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,371.46 : 395,197.50 = 157,315.38 : x
  2. Step 2: Convert to fraction form
    286,371.46/395,197.50 = 157,315.38/x
  3. Step 3: Cross multiply
    286,371.46x = 395,197.50 × 157,315.38
  4. Step 4: Simplify right side
    286,371.46x = 62,170,644,887.55
  5. Step 5: Solve for x
    x = 62,170,644,887.55/286,371.46
  6. Step 6: Final answer
    x = 217,097.91

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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.