Home / 386,365.20-579,575.47-102,052.91

Finding the Fourth Proportional to 386,365.20, 579,575.47 and 102,052.91

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Solution

The fourth proportional to 386,365.20, 579,575.47 and 102,052.91 is: 153,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,365.20 : 579,575.47 = 102,052.91 : x
  2. Step 2: Convert to fraction form
    386,365.20/579,575.47 = 102,052.91/x
  3. Step 3: Cross multiply
    386,365.20x = 579,575.47 × 102,052.91
  4. Step 4: Simplify right side
    386,365.20x = 59,147,360,565.11
  5. Step 5: Solve for x
    x = 59,147,360,565.11/386,365.20
  6. Step 6: Final answer
    x = 153,086.67

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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.