Home / 379,820.12-524,160.90-207,754.25

Finding the Fourth Proportional to 379,820.12, 524,160.90 and 207,754.25

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Solution

The fourth proportional to 379,820.12, 524,160.90 and 207,754.25 is: 286,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,820.12 : 524,160.90 = 207,754.25 : x
  2. Step 2: Convert to fraction form
    379,820.12/524,160.90 = 207,754.25/x
  3. Step 3: Cross multiply
    379,820.12x = 524,160.90 × 207,754.25
  4. Step 4: Simplify right side
    379,820.12x = 108,896,654,658.83
  5. Step 5: Solve for x
    x = 108,896,654,658.83/379,820.12
  6. Step 6: Final answer
    x = 286,705.86

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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.