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Finding the Fourth Proportional to 180,030.80, 270,046.20 and 146,205.20

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Solution

The fourth proportional to 180,030.80, 270,046.20 and 146,205.20 is: 219,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,030.80 : 270,046.20 = 146,205.20 : x
  2. Step 2: Convert to fraction form
    180,030.80/270,046.20 = 146,205.20/x
  3. Step 3: Cross multiply
    180,030.80x = 270,046.20 × 146,205.20
  4. Step 4: Simplify right side
    180,030.80x = 39,482,158,680.24
  5. Step 5: Solve for x
    x = 39,482,158,680.24/180,030.80
  6. Step 6: Final answer
    x = 219,307.80

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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.