Home / 638,506.04-957,731.32-158,723.68

Finding the Fourth Proportional to 638,506.04, 957,731.32 and 158,723.68

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Solution

The fourth proportional to 638,506.04, 957,731.32 and 158,723.68 is: 238,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,506.04 : 957,731.32 = 158,723.68 : x
  2. Step 2: Convert to fraction form
    638,506.04/957,731.32 = 158,723.68/x
  3. Step 3: Cross multiply
    638,506.04x = 957,731.32 × 158,723.68
  4. Step 4: Simplify right side
    638,506.04x = 152,014,639,561.66
  5. Step 5: Solve for x
    x = 152,014,639,561.66/638,506.04
  6. Step 6: Final answer
    x = 238,078.62

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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.