Home / 215,478.77-323,217.95-57,702.92

Finding the Fourth Proportional to 215,478.77, 323,217.95 and 57,702.92

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Solution

The fourth proportional to 215,478.77, 323,217.95 and 57,702.92 is: 86,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,478.77 : 323,217.95 = 57,702.92 : x
  2. Step 2: Convert to fraction form
    215,478.77/323,217.95 = 57,702.92/x
  3. Step 3: Cross multiply
    215,478.77x = 323,217.95 × 57,702.92
  4. Step 4: Simplify right side
    215,478.77x = 18,650,617,606.81
  5. Step 5: Solve for x
    x = 18,650,617,606.81/215,478.77
  6. Step 6: Final answer
    x = 86,554.32

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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.