Home / 355,595.20-533,738.40-215,627.20

Finding the Fourth Proportional to 355,595.20, 533,738.40 and 215,627.20

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Solution

The fourth proportional to 355,595.20, 533,738.40 and 215,627.20 is: 323,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,595.20 : 533,738.40 = 215,627.20 : x
  2. Step 2: Convert to fraction form
    355,595.20/533,738.40 = 215,627.20/x
  3. Step 3: Cross multiply
    355,595.20x = 533,738.40 × 215,627.20
  4. Step 4: Simplify right side
    355,595.20x = 115,088,516,724.48
  5. Step 5: Solve for x
    x = 115,088,516,724.48/355,595.20
  6. Step 6: Final answer
    x = 323,650.37

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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.