Home / 370,269.75-555,406.44-89,787

Finding the Fourth Proportional to 370,269.75, 555,406.44 and 89,787

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Solution

The fourth proportional to 370,269.75, 555,406.44 and 89,787 is: 134,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,269.75 : 555,406.44 = 89,787 : x
  2. Step 2: Convert to fraction form
    370,269.75/555,406.44 = 89,787/x
  3. Step 3: Cross multiply
    370,269.75x = 555,406.44 × 89,787
  4. Step 4: Simplify right side
    370,269.75x = 49,868,278,028.28
  5. Step 5: Solve for x
    x = 49,868,278,028.28/370,269.75
  6. Step 6: Final answer
    x = 134,680.94

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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.