Home / 290,209.92-400,451.04-162,884.16

Finding the Fourth Proportional to 290,209.92, 400,451.04 and 162,884.16

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Solution

The fourth proportional to 290,209.92, 400,451.04 and 162,884.16 is: 224,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,209.92 : 400,451.04 = 162,884.16 : x
  2. Step 2: Convert to fraction form
    290,209.92/400,451.04 = 162,884.16/x
  3. Step 3: Cross multiply
    290,209.92x = 400,451.04 × 162,884.16
  4. Step 4: Simplify right side
    290,209.92x = 65,227,131,271.53
  5. Step 5: Solve for x
    x = 65,227,131,271.53/290,209.92
  6. Step 6: Final answer
    x = 224,758.45

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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.