Home / 355,591.20-533,732.40-215,623.20

Finding the Fourth Proportional to 355,591.20, 533,732.40 and 215,623.20

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Solution

The fourth proportional to 355,591.20, 533,732.40 and 215,623.20 is: 323,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,591.20 : 533,732.40 = 215,623.20 : x
  2. Step 2: Convert to fraction form
    355,591.20/533,732.40 = 215,623.20/x
  3. Step 3: Cross multiply
    355,591.20x = 533,732.40 × 215,623.20
  4. Step 4: Simplify right side
    355,591.20x = 115,085,088,031.68
  5. Step 5: Solve for x
    x = 115,085,088,031.68/355,591.20
  6. Step 6: Final answer
    x = 323,644.36

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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.