Home / 294,780.56-442,148.96-105,219.29

Finding the Fourth Proportional to 294,780.56, 442,148.96 and 105,219.29

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Solution

The fourth proportional to 294,780.56, 442,148.96 and 105,219.29 is: 157,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,780.56 : 442,148.96 = 105,219.29 : x
  2. Step 2: Convert to fraction form
    294,780.56/442,148.96 = 105,219.29/x
  3. Step 3: Cross multiply
    294,780.56x = 442,148.96 × 105,219.29
  4. Step 4: Simplify right side
    294,780.56x = 46,522,596,908.60
  5. Step 5: Solve for x
    x = 46,522,596,908.60/294,780.56
  6. Step 6: Final answer
    x = 157,821.12

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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.