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Finding the Fourth Proportional to 417,043.92, 575,529.30 and 235,745.04

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Solution

The fourth proportional to 417,043.92, 575,529.30 and 235,745.04 is: 325,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,043.92 : 575,529.30 = 235,745.04 : x
  2. Step 2: Convert to fraction form
    417,043.92/575,529.30 = 235,745.04/x
  3. Step 3: Cross multiply
    417,043.92x = 575,529.30 × 235,745.04
  4. Step 4: Simplify right side
    417,043.92x = 135,678,177,849.67
  5. Step 5: Solve for x
    x = 135,678,177,849.67/417,043.92
  6. Step 6: Final answer
    x = 325,333.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.