Home / 291,044.50-436,566.85-130,933.40

Finding the Fourth Proportional to 291,044.50, 436,566.85 and 130,933.40

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Solution

The fourth proportional to 291,044.50, 436,566.85 and 130,933.40 is: 196,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,044.50 : 436,566.85 = 130,933.40 : x
  2. Step 2: Convert to fraction form
    291,044.50/436,566.85 = 130,933.40/x
  3. Step 3: Cross multiply
    291,044.50x = 436,566.85 × 130,933.40
  4. Step 4: Simplify right side
    291,044.50x = 57,161,181,997.79
  5. Step 5: Solve for x
    x = 57,161,181,997.79/291,044.50
  6. Step 6: Final answer
    x = 196,400.14

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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.