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Finding the Fourth Proportional to 483,713.40, 725,051.70 and 184,078.20

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Solution

The fourth proportional to 483,713.40, 725,051.70 and 184,078.20 is: 275,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,713.40 : 725,051.70 = 184,078.20 : x
  2. Step 2: Convert to fraction form
    483,713.40/725,051.70 = 184,078.20/x
  3. Step 3: Cross multiply
    483,713.40x = 725,051.70 × 184,078.20
  4. Step 4: Simplify right side
    483,713.40x = 133,466,211,842.94
  5. Step 5: Solve for x
    x = 133,466,211,842.94/483,713.40
  6. Step 6: Final answer
    x = 275,920.02

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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.