Home / 294,986.70-442,482.48-84,631.32

Finding the Fourth Proportional to 294,986.70, 442,482.48 and 84,631.32

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Solution

The fourth proportional to 294,986.70, 442,482.48 and 84,631.32 is: 126,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,986.70 : 442,482.48 = 84,631.32 : x
  2. Step 2: Convert to fraction form
    294,986.70/442,482.48 = 84,631.32/x
  3. Step 3: Cross multiply
    294,986.70x = 442,482.48 × 84,631.32
  4. Step 4: Simplify right side
    294,986.70x = 37,447,876,359.27
  5. Step 5: Solve for x
    x = 37,447,876,359.27/294,986.70
  6. Step 6: Final answer
    x = 126,947.68

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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.