Home / 338,432.16-507,488.94-196,317.84

Finding the Fourth Proportional to 338,432.16, 507,488.94 and 196,317.84

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Solution

The fourth proportional to 338,432.16, 507,488.94 and 196,317.84 is: 294,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,432.16 : 507,488.94 = 196,317.84 : x
  2. Step 2: Convert to fraction form
    338,432.16/507,488.94 = 196,317.84/x
  3. Step 3: Cross multiply
    338,432.16x = 507,488.94 × 196,317.84
  4. Step 4: Simplify right side
    338,432.16x = 99,629,132,524.69
  5. Step 5: Solve for x
    x = 99,629,132,524.69/338,432.16
  6. Step 6: Final answer
    x = 294,384.35

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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.