Home / 383,001.20-574,501.80-102,518.45

Finding the Fourth Proportional to 383,001.20, 574,501.80 and 102,518.45

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Solution

The fourth proportional to 383,001.20, 574,501.80 and 102,518.45 is: 153,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,001.20 : 574,501.80 = 102,518.45 : x
  2. Step 2: Convert to fraction form
    383,001.20/574,501.80 = 102,518.45/x
  3. Step 3: Cross multiply
    383,001.20x = 574,501.80 × 102,518.45
  4. Step 4: Simplify right side
    383,001.20x = 58,897,034,058.21
  5. Step 5: Solve for x
    x = 58,897,034,058.21/383,001.20
  6. Step 6: Final answer
    x = 153,777.68

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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.