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Finding the Fourth Proportional to 180,000.80, 270,001.20 and 164,837.60

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Solution

The fourth proportional to 180,000.80, 270,001.20 and 164,837.60 is: 247,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,000.80 : 270,001.20 = 164,837.60 : x
  2. Step 2: Convert to fraction form
    180,000.80/270,001.20 = 164,837.60/x
  3. Step 3: Cross multiply
    180,000.80x = 270,001.20 × 164,837.60
  4. Step 4: Simplify right side
    180,000.80x = 44,506,349,805.12
  5. Step 5: Solve for x
    x = 44,506,349,805.12/180,000.80
  6. Step 6: Final answer
    x = 247,256.40

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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.