Home / 340,532.38-469,967.85-254,341.72

Finding the Fourth Proportional to 340,532.38, 469,967.85 and 254,341.72

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Solution

The fourth proportional to 340,532.38, 469,967.85 and 254,341.72 is: 351,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,532.38 : 469,967.85 = 254,341.72 : x
  2. Step 2: Convert to fraction form
    340,532.38/469,967.85 = 254,341.72/x
  3. Step 3: Cross multiply
    340,532.38x = 469,967.85 × 254,341.72
  4. Step 4: Simplify right side
    340,532.38x = 119,532,431,185.83
  5. Step 5: Solve for x
    x = 119,532,431,185.83/340,532.38
  6. Step 6: Final answer
    x = 351,016.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.