Home / 313,373.37-432,026.79-215,253.61

Finding the Fourth Proportional to 313,373.37, 432,026.79 and 215,253.61

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Solution

The fourth proportional to 313,373.37, 432,026.79 and 215,253.61 is: 296,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,373.37 : 432,026.79 = 215,253.61 : x
  2. Step 2: Convert to fraction form
    313,373.37/432,026.79 = 215,253.61/x
  3. Step 3: Cross multiply
    313,373.37x = 432,026.79 × 215,253.61
  4. Step 4: Simplify right side
    313,373.37x = 92,995,326,164.21
  5. Step 5: Solve for x
    x = 92,995,326,164.21/313,373.37
  6. Step 6: Final answer
    x = 296,755.68

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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.