Home / 309,555.24-464,332.92-247,619.40

Finding the Fourth Proportional to 309,555.24, 464,332.92 and 247,619.40

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Solution

The fourth proportional to 309,555.24, 464,332.92 and 247,619.40 is: 371,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,555.24 : 464,332.92 = 247,619.40 : x
  2. Step 2: Convert to fraction form
    309,555.24/464,332.92 = 247,619.40/x
  3. Step 3: Cross multiply
    309,555.24x = 464,332.92 × 247,619.40
  4. Step 4: Simplify right side
    309,555.24x = 114,977,839,050.65
  5. Step 5: Solve for x
    x = 114,977,839,050.65/309,555.24
  6. Step 6: Final answer
    x = 371,429.15

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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.