Home / 383,828.16-575,759.52-117,569.28

Finding the Fourth Proportional to 383,828.16, 575,759.52 and 117,569.28

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Solution

The fourth proportional to 383,828.16, 575,759.52 and 117,569.28 is: 176,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,828.16 : 575,759.52 = 117,569.28 : x
  2. Step 2: Convert to fraction form
    383,828.16/575,759.52 = 117,569.28/x
  3. Step 3: Cross multiply
    383,828.16x = 575,759.52 × 117,569.28
  4. Step 4: Simplify right side
    383,828.16x = 67,691,632,219.55
  5. Step 5: Solve for x
    x = 67,691,632,219.55/383,828.16
  6. Step 6: Final answer
    x = 176,359.21

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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.