Home / 215,673.40-323,510.10-57,917.80

Finding the Fourth Proportional to 215,673.40, 323,510.10 and 57,917.80

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Solution

The fourth proportional to 215,673.40, 323,510.10 and 57,917.80 is: 86,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,673.40 : 323,510.10 = 57,917.80 : x
  2. Step 2: Convert to fraction form
    215,673.40/323,510.10 = 57,917.80/x
  3. Step 3: Cross multiply
    215,673.40x = 323,510.10 × 57,917.80
  4. Step 4: Simplify right side
    215,673.40x = 18,736,993,269.78
  5. Step 5: Solve for x
    x = 18,736,993,269.78/215,673.40
  6. Step 6: Final answer
    x = 86,876.70

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1.5x scale

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.