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Finding the Fourth Proportional to 508,147.62, 701,256.06 and 278,714.32

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Solution

The fourth proportional to 508,147.62, 701,256.06 and 278,714.32 is: 384,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,147.62 : 701,256.06 = 278,714.32 : x
  2. Step 2: Convert to fraction form
    508,147.62/701,256.06 = 278,714.32/x
  3. Step 3: Cross multiply
    508,147.62x = 701,256.06 × 278,714.32
  4. Step 4: Simplify right side
    508,147.62x = 195,450,105,908.78
  5. Step 5: Solve for x
    x = 195,450,105,908.78/508,147.62
  6. Step 6: Final answer
    x = 384,632.53

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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.