Home / 291,622.26-437,275.10-131,510.86

Finding the Fourth Proportional to 291,622.26, 437,275.10 and 131,510.86

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Solution

The fourth proportional to 291,622.26, 437,275.10 and 131,510.86 is: 197,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,622.26 : 437,275.10 = 131,510.86 : x
  2. Step 2: Convert to fraction form
    291,622.26/437,275.10 = 131,510.86/x
  3. Step 3: Cross multiply
    291,622.26x = 437,275.10 × 131,510.86
  4. Step 4: Simplify right side
    291,622.26x = 57,506,422,324.64
  5. Step 5: Solve for x
    x = 57,506,422,324.64/291,622.26
  6. Step 6: Final answer
    x = 197,194.90

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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.