Home / 383,028.32-574,673.70-146,438.66

Finding the Fourth Proportional to 383,028.32, 574,673.70 and 146,438.66

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Solution

The fourth proportional to 383,028.32, 574,673.70 and 146,438.66 is: 219,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,028.32 : 574,673.70 = 146,438.66 : x
  2. Step 2: Convert to fraction form
    383,028.32/574,673.70 = 146,438.66/x
  3. Step 3: Cross multiply
    383,028.32x = 574,673.70 × 146,438.66
  4. Step 4: Simplify right side
    383,028.32x = 84,154,446,565.24
  5. Step 5: Solve for x
    x = 84,154,446,565.24/383,028.32
  6. Step 6: Final answer
    x = 219,708.16

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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.