Home / 336,840.12-504,962.91-137,327.40

Finding the Fourth Proportional to 336,840.12, 504,962.91 and 137,327.40

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Solution

The fourth proportional to 336,840.12, 504,962.91 and 137,327.40 is: 205,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,840.12 : 504,962.91 = 137,327.40 : x
  2. Step 2: Convert to fraction form
    336,840.12/504,962.91 = 137,327.40/x
  3. Step 3: Cross multiply
    336,840.12x = 504,962.91 × 137,327.40
  4. Step 4: Simplify right side
    336,840.12x = 69,345,243,526.73
  5. Step 5: Solve for x
    x = 69,345,243,526.73/336,840.12
  6. Step 6: Final answer
    x = 205,869.91

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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.