Home / 309,437.22-464,179.59-131,945.16

Finding the Fourth Proportional to 309,437.22, 464,179.59 and 131,945.16

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Solution

The fourth proportional to 309,437.22, 464,179.59 and 131,945.16 is: 197,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,437.22 : 464,179.59 = 131,945.16 : x
  2. Step 2: Convert to fraction form
    309,437.22/464,179.59 = 131,945.16/x
  3. Step 3: Cross multiply
    309,437.22x = 464,179.59 × 131,945.16
  4. Step 4: Simplify right side
    309,437.22x = 61,246,250,271.28
  5. Step 5: Solve for x
    x = 61,246,250,271.28/309,437.22
  6. Step 6: Final answer
    x = 197,927.87

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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.