Home / 442,870.38-663,896.79-176,566.50

Finding the Fourth Proportional to 442,870.38, 663,896.79 and 176,566.50

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Solution

The fourth proportional to 442,870.38, 663,896.79 and 176,566.50 is: 264,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,870.38 : 663,896.79 = 176,566.50 : x
  2. Step 2: Convert to fraction form
    442,870.38/663,896.79 = 176,566.50/x
  3. Step 3: Cross multiply
    442,870.38x = 663,896.79 × 176,566.50
  4. Step 4: Simplify right side
    442,870.38x = 117,221,932,571.54
  5. Step 5: Solve for x
    x = 117,221,932,571.54/442,870.38
  6. Step 6: Final answer
    x = 264,686.77

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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.