Home / 309,287.04-464,708.16-197,017.76

Finding the Fourth Proportional to 309,287.04, 464,708.16 and 197,017.76

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Solution

The fourth proportional to 309,287.04, 464,708.16 and 197,017.76 is: 296,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,287.04 : 464,708.16 = 197,017.76 : x
  2. Step 2: Convert to fraction form
    309,287.04/464,708.16 = 197,017.76/x
  3. Step 3: Cross multiply
    309,287.04x = 464,708.16 × 197,017.76
  4. Step 4: Simplify right side
    309,287.04x = 91,555,760,736.92
  5. Step 5: Solve for x
    x = 91,555,760,736.92/309,287.04
  6. Step 6: Final answer
    x = 296,021.98

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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.