Home / 300,862.08-451,202.24-90,444.16

Finding the Fourth Proportional to 300,862.08, 451,202.24 and 90,444.16

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Solution

The fourth proportional to 300,862.08, 451,202.24 and 90,444.16 is: 135,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,862.08 : 451,202.24 = 90,444.16 : x
  2. Step 2: Convert to fraction form
    300,862.08/451,202.24 = 90,444.16/x
  3. Step 3: Cross multiply
    300,862.08x = 451,202.24 × 90,444.16
  4. Step 4: Simplify right side
    300,862.08x = 40,808,607,586.92
  5. Step 5: Solve for x
    x = 40,808,607,586.92/300,862.08
  6. Step 6: Final answer
    x = 135,638.92

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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.