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Finding the Fourth Proportional to 376,005.44, 519,221.14 and 255,594.69

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Solution

The fourth proportional to 376,005.44, 519,221.14 and 255,594.69 is: 352,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,005.44 : 519,221.14 = 255,594.69 : x
  2. Step 2: Convert to fraction form
    376,005.44/519,221.14 = 255,594.69/x
  3. Step 3: Cross multiply
    376,005.44x = 519,221.14 × 255,594.69
  4. Step 4: Simplify right side
    376,005.44x = 132,710,165,680.76
  5. Step 5: Solve for x
    x = 132,710,165,680.76/376,005.44
  6. Step 6: Final answer
    x = 352,947.46

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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.