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Finding the Fourth Proportional to 240,000.30, 360,000.45 and 165,350.70

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Solution

The fourth proportional to 240,000.30, 360,000.45 and 165,350.70 is: 248,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,000.30 : 360,000.45 = 165,350.70 : x
  2. Step 2: Convert to fraction form
    240,000.30/360,000.45 = 165,350.70/x
  3. Step 3: Cross multiply
    240,000.30x = 360,000.45 × 165,350.70
  4. Step 4: Simplify right side
    240,000.30x = 59,526,326,407.82
  5. Step 5: Solve for x
    x = 59,526,326,407.82/240,000.30
  6. Step 6: Final answer
    x = 248,026.05

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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.