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Finding the Fourth Proportional to 255,378.32, 382,934.46 and 95,322.63

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Solution

The fourth proportional to 255,378.32, 382,934.46 and 95,322.63 is: 142,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,378.32 : 382,934.46 = 95,322.63 : x
  2. Step 2: Convert to fraction form
    255,378.32/382,934.46 = 95,322.63/x
  3. Step 3: Cross multiply
    255,378.32x = 382,934.46 × 95,322.63
  4. Step 4: Simplify right side
    255,378.32x = 36,502,319,844.83
  5. Step 5: Solve for x
    x = 36,502,319,844.83/255,378.32
  6. Step 6: Final answer
    x = 142,934.29

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1.5x scale

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.