Home / 309,947.16-464,920.76-122,958.66

Finding the Fourth Proportional to 309,947.16, 464,920.76 and 122,958.66

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Solution

The fourth proportional to 309,947.16, 464,920.76 and 122,958.66 is: 184,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,947.16 : 464,920.76 = 122,958.66 : x
  2. Step 2: Convert to fraction form
    309,947.16/464,920.76 = 122,958.66/x
  3. Step 3: Cross multiply
    309,947.16x = 464,920.76 × 122,958.66
  4. Step 4: Simplify right side
    309,947.16x = 57,166,033,040.99
  5. Step 5: Solve for x
    x = 57,166,033,040.99/309,947.16
  6. Step 6: Final answer
    x = 184,438.00

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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.