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Finding the Fourth Proportional to 180,325.80, 270,482.22 and 55,666.80

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Solution

The fourth proportional to 180,325.80, 270,482.22 and 55,666.80 is: 83,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,325.80 : 270,482.22 = 55,666.80 : x
  2. Step 2: Convert to fraction form
    180,325.80/270,482.22 = 55,666.80/x
  3. Step 3: Cross multiply
    180,325.80x = 270,482.22 × 55,666.80
  4. Step 4: Simplify right side
    180,325.80x = 15,056,879,644.30
  5. Step 5: Solve for x
    x = 15,056,879,644.30/180,325.80
  6. Step 6: Final answer
    x = 83,498.20

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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.