Home / 469,981.32-648,574.58-255,121.32

Finding the Fourth Proportional to 469,981.32, 648,574.58 and 255,121.32

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Solution

The fourth proportional to 469,981.32, 648,574.58 and 255,121.32 is: 352,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,981.32 : 648,574.58 = 255,121.32 : x
  2. Step 2: Convert to fraction form
    469,981.32/648,574.58 = 255,121.32/x
  3. Step 3: Cross multiply
    469,981.32x = 648,574.58 × 255,121.32
  4. Step 4: Simplify right side
    469,981.32x = 165,465,202,968.05
  5. Step 5: Solve for x
    x = 165,465,202,968.05/469,981.32
  6. Step 6: Final answer
    x = 352,067.62

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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.