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Finding the Fourth Proportional to 477,901.50, 659,504.07 and 276,697.50

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Solution

The fourth proportional to 477,901.50, 659,504.07 and 276,697.50 is: 381,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,901.50 : 659,504.07 = 276,697.50 : x
  2. Step 2: Convert to fraction form
    477,901.50/659,504.07 = 276,697.50/x
  3. Step 3: Cross multiply
    477,901.50x = 659,504.07 × 276,697.50
  4. Step 4: Simplify right side
    477,901.50x = 182,483,127,408.83
  5. Step 5: Solve for x
    x = 182,483,127,408.83/477,901.50
  6. Step 6: Final answer
    x = 381,842.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.