Home / 262,493.55-393,740.33-210,005.55

Finding the Fourth Proportional to 262,493.55, 393,740.33 and 210,005.55

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Solution

The fourth proportional to 262,493.55, 393,740.33 and 210,005.55 is: 315,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,493.55 : 393,740.33 = 210,005.55 : x
  2. Step 2: Convert to fraction form
    262,493.55/393,740.33 = 210,005.55/x
  3. Step 3: Cross multiply
    262,493.55x = 393,740.33 × 210,005.55
  4. Step 4: Simplify right side
    262,493.55x = 82,687,653,508.80
  5. Step 5: Solve for x
    x = 82,687,653,508.80/262,493.55
  6. Step 6: Final answer
    x = 315,008.33

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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.