Home / 318,868.38-477,579.49-247,216.79

Finding the Fourth Proportional to 318,868.38, 477,579.49 and 247,216.79

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Solution

The fourth proportional to 318,868.38, 477,579.49 and 247,216.79 is: 370,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,868.38 : 477,579.49 = 247,216.79 : x
  2. Step 2: Convert to fraction form
    318,868.38/477,579.49 = 247,216.79/x
  3. Step 3: Cross multiply
    318,868.38x = 477,579.49 × 247,216.79
  4. Step 4: Simplify right side
    318,868.38x = 118,065,671,349.60
  5. Step 5: Solve for x
    x = 118,065,671,349.60/318,868.38
  6. Step 6: Final answer
    x = 370,264.59

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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.