Home / 286,701.36-395,658.02-157,649.66

Finding the Fourth Proportional to 286,701.36, 395,658.02 and 157,649.66

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Solution

The fourth proportional to 286,701.36, 395,658.02 and 157,649.66 is: 217,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,701.36 : 395,658.02 = 157,649.66 : x
  2. Step 2: Convert to fraction form
    286,701.36/395,658.02 = 157,649.66/x
  3. Step 3: Cross multiply
    286,701.36x = 395,658.02 × 157,649.66
  4. Step 4: Simplify right side
    286,701.36x = 62,375,352,228.82
  5. Step 5: Solve for x
    x = 62,375,352,228.82/286,701.36
  6. Step 6: Final answer
    x = 217,562.11

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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.