Home / 351,288.28-526,933.80-85,048.40

Finding the Fourth Proportional to 351,288.28, 526,933.80 and 85,048.40

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Solution

The fourth proportional to 351,288.28, 526,933.80 and 85,048.40 is: 127,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,288.28 : 526,933.80 = 85,048.40 : x
  2. Step 2: Convert to fraction form
    351,288.28/526,933.80 = 85,048.40/x
  3. Step 3: Cross multiply
    351,288.28x = 526,933.80 × 85,048.40
  4. Step 4: Simplify right side
    351,288.28x = 44,814,876,595.92
  5. Step 5: Solve for x
    x = 44,814,876,595.92/351,288.28
  6. Step 6: Final answer
    x = 127,572.93

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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.