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Finding the Fourth Proportional to 272,059.80, 408,089.70 and 183,586.20

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Solution

The fourth proportional to 272,059.80, 408,089.70 and 183,586.20 is: 275,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,059.80 : 408,089.70 = 183,586.20 : x
  2. Step 2: Convert to fraction form
    272,059.80/408,089.70 = 183,586.20/x
  3. Step 3: Cross multiply
    272,059.80x = 408,089.70 × 183,586.20
  4. Step 4: Simplify right side
    272,059.80x = 74,919,637,282.14
  5. Step 5: Solve for x
    x = 74,919,637,282.14/272,059.80
  6. Step 6: Final answer
    x = 275,379.30

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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.