Home / 280,247.04-420,098.40-186,546.24

Finding the Fourth Proportional to 280,247.04, 420,098.40 and 186,546.24

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Solution

The fourth proportional to 280,247.04, 420,098.40 and 186,546.24 is: 279,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,247.04 : 420,098.40 = 186,546.24 : x
  2. Step 2: Convert to fraction form
    280,247.04/420,098.40 = 186,546.24/x
  3. Step 3: Cross multiply
    280,247.04x = 420,098.40 × 186,546.24
  4. Step 4: Simplify right side
    280,247.04x = 78,367,776,950.02
  5. Step 5: Solve for x
    x = 78,367,776,950.02/280,247.04
  6. Step 6: Final answer
    x = 279,638.20

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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.