Home / 215,467.08-323,223.12-82,346.40

Finding the Fourth Proportional to 215,467.08, 323,223.12 and 82,346.40

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Solution

The fourth proportional to 215,467.08, 323,223.12 and 82,346.40 is: 123,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,467.08 : 323,223.12 = 82,346.40 : x
  2. Step 2: Convert to fraction form
    215,467.08/323,223.12 = 82,346.40/x
  3. Step 3: Cross multiply
    215,467.08x = 323,223.12 × 82,346.40
  4. Step 4: Simplify right side
    215,467.08x = 26,616,260,328.77
  5. Step 5: Solve for x
    x = 26,616,260,328.77/215,467.08
  6. Step 6: Final answer
    x = 123,528.20

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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.