Home / 215,476.74-323,214.98-57,701.16

Finding the Fourth Proportional to 215,476.74, 323,214.98 and 57,701.16

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Solution

The fourth proportional to 215,476.74, 323,214.98 and 57,701.16 is: 86,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476.74 : 323,214.98 = 57,701.16 : x
  2. Step 2: Convert to fraction form
    215,476.74/323,214.98 = 57,701.16/x
  3. Step 3: Cross multiply
    215,476.74x = 323,214.98 × 57,701.16
  4. Step 4: Simplify right side
    215,476.74x = 18,649,878,986.87
  5. Step 5: Solve for x
    x = 18,649,878,986.87/215,476.74
  6. Step 6: Final answer
    x = 86,551.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.