Home / 383,385.03-575,077.44-102,902.28

Finding the Fourth Proportional to 383,385.03, 575,077.44 and 102,902.28

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Solution

The fourth proportional to 383,385.03, 575,077.44 and 102,902.28 is: 154,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,385.03 : 575,077.44 = 102,902.28 : x
  2. Step 2: Convert to fraction form
    383,385.03/575,077.44 = 102,902.28/x
  3. Step 3: Cross multiply
    383,385.03x = 575,077.44 × 102,902.28
  4. Step 4: Simplify right side
    383,385.03x = 59,176,779,752.56
  5. Step 5: Solve for x
    x = 59,176,779,752.56/383,385.03
  6. Step 6: Final answer
    x = 154,353.39

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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.