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Finding the Fourth Proportional to 351,366.86, 484,668.25 and 259,392.12

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Solution

The fourth proportional to 351,366.86, 484,668.25 and 259,392.12 is: 357,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,366.86 : 484,668.25 = 259,392.12 : x
  2. Step 2: Convert to fraction form
    351,366.86/484,668.25 = 259,392.12/x
  3. Step 3: Cross multiply
    351,366.86x = 484,668.25 × 259,392.12
  4. Step 4: Simplify right side
    351,366.86x = 125,719,124,864.19
  5. Step 5: Solve for x
    x = 125,719,124,864.19/351,366.86
  6. Step 6: Final answer
    x = 357,800.18

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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.