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Finding the Fourth Proportional to 180,000.30, 270,000.45 and 163,670.70

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Solution

The fourth proportional to 180,000.30, 270,000.45 and 163,670.70 is: 245,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,000.30 : 270,000.45 = 163,670.70 : x
  2. Step 2: Convert to fraction form
    180,000.30/270,000.45 = 163,670.70/x
  3. Step 3: Cross multiply
    180,000.30x = 270,000.45 × 163,670.70
  4. Step 4: Simplify right side
    180,000.30x = 44,191,162,651.82
  5. Step 5: Solve for x
    x = 44,191,162,651.82/180,000.30
  6. Step 6: Final answer
    x = 245,506.05

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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.