Home / 442,424.85-663,564.38-189,746.16

Finding the Fourth Proportional to 442,424.85, 663,564.38 and 189,746.16

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Solution

The fourth proportional to 442,424.85, 663,564.38 and 189,746.16 is: 284,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,424.85 : 663,564.38 = 189,746.16 : x
  2. Step 2: Convert to fraction form
    442,424.85/663,564.38 = 189,746.16/x
  3. Step 3: Cross multiply
    442,424.85x = 663,564.38 × 189,746.16
  4. Step 4: Simplify right side
    442,424.85x = 125,908,792,069.05
  5. Step 5: Solve for x
    x = 125,908,792,069.05/442,424.85
  6. Step 6: Final answer
    x = 284,587.97

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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.