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Finding the Fourth Proportional to 365,010.20, 546,593.70 and 291,282.20

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Solution

The fourth proportional to 365,010.20, 546,593.70 and 291,282.20 is: 436,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.20 : 546,593.70 = 291,282.20 : x
  2. Step 2: Convert to fraction form
    365,010.20/546,593.70 = 291,282.20/x
  3. Step 3: Cross multiply
    365,010.20x = 546,593.70 × 291,282.20
  4. Step 4: Simplify right side
    365,010.20x = 159,213,015,442.14
  5. Step 5: Solve for x
    x = 159,213,015,442.14/365,010.20
  6. Step 6: Final answer
    x = 436,187.85

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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.