Home / 383,680.08-575,442.36-130,823.46

Finding the Fourth Proportional to 383,680.08, 575,442.36 and 130,823.46

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Solution

The fourth proportional to 383,680.08, 575,442.36 and 130,823.46 is: 196,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,680.08 : 575,442.36 = 130,823.46 : x
  2. Step 2: Convert to fraction form
    383,680.08/575,442.36 = 130,823.46/x
  3. Step 3: Cross multiply
    383,680.08x = 575,442.36 × 130,823.46
  4. Step 4: Simplify right side
    383,680.08x = 75,281,360,565.77
  5. Step 5: Solve for x
    x = 75,281,360,565.77/383,680.08
  6. Step 6: Final answer
    x = 196,208.68

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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.