Home / 291,059.28-436,589.04-130,948.26

Finding the Fourth Proportional to 291,059.28, 436,589.04 and 130,948.26

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Solution

The fourth proportional to 291,059.28, 436,589.04 and 130,948.26 is: 196,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,059.28 : 436,589.04 = 130,948.26 : x
  2. Step 2: Convert to fraction form
    291,059.28/436,589.04 = 130,948.26/x
  3. Step 3: Cross multiply
    291,059.28x = 436,589.04 × 130,948.26
  4. Step 4: Simplify right side
    291,059.28x = 57,170,575,123.07
  5. Step 5: Solve for x
    x = 57,170,575,123.07/291,059.28
  6. Step 6: Final answer
    x = 196,422.44

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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.