Home / 370,269.48-555,404.28-89,786.64

Finding the Fourth Proportional to 370,269.48, 555,404.28 and 89,786.64

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Solution

The fourth proportional to 370,269.48, 555,404.28 and 89,786.64 is: 134,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,269.48 : 555,404.28 = 89,786.64 : x
  2. Step 2: Convert to fraction form
    370,269.48/555,404.28 = 89,786.64/x
  3. Step 3: Cross multiply
    370,269.48x = 555,404.28 × 89,786.64
  4. Step 4: Simplify right side
    370,269.48x = 49,867,884,142.82
  5. Step 5: Solve for x
    x = 49,867,884,142.82/370,269.48
  6. Step 6: Final answer
    x = 134,679.97

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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.