Home / 255,218.40-382,399.92-180,214.02

Finding the Fourth Proportional to 255,218.40, 382,399.92 and 180,214.02

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Solution

The fourth proportional to 255,218.40, 382,399.92 and 180,214.02 is: 270,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,218.40 : 382,399.92 = 180,214.02 : x
  2. Step 2: Convert to fraction form
    255,218.40/382,399.92 = 180,214.02/x
  3. Step 3: Cross multiply
    255,218.40x = 382,399.92 × 180,214.02
  4. Step 4: Simplify right side
    255,218.40x = 68,913,826,830.88
  5. Step 5: Solve for x
    x = 68,913,826,830.88/255,218.40
  6. Step 6: Final answer
    x = 270,019.04

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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.