Home / 402,631.32-603,504.08-165,844.83

Finding the Fourth Proportional to 402,631.32, 603,504.08 and 165,844.83

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Solution

The fourth proportional to 402,631.32, 603,504.08 and 165,844.83 is: 248,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,631.32 : 603,504.08 = 165,844.83 : x
  2. Step 2: Convert to fraction form
    402,631.32/603,504.08 = 165,844.83/x
  3. Step 3: Cross multiply
    402,631.32x = 603,504.08 × 165,844.83
  4. Step 4: Simplify right side
    402,631.32x = 100,088,031,551.91
  5. Step 5: Solve for x
    x = 100,088,031,551.91/402,631.32
  6. Step 6: Final answer
    x = 248,584.81

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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.