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Finding the Fourth Proportional to 555,145.92, 832,594.31 and 255,338.46

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Solution

The fourth proportional to 555,145.92, 832,594.31 and 255,338.46 is: 382,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,145.92 : 832,594.31 = 255,338.46 : x
  2. Step 2: Convert to fraction form
    555,145.92/832,594.31 = 255,338.46/x
  3. Step 3: Cross multiply
    555,145.92x = 832,594.31 × 255,338.46
  4. Step 4: Simplify right side
    555,145.92x = 212,593,348,600.99
  5. Step 5: Solve for x
    x = 212,593,348,600.99/555,145.92
  6. Step 6: Final answer
    x = 382,950.39

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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.