Home / 336,435.60-504,655.29-99,780.06

Finding the Fourth Proportional to 336,435.60, 504,655.29 and 99,780.06

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Solution

The fourth proportional to 336,435.60, 504,655.29 and 99,780.06 is: 149,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,435.60 : 504,655.29 = 99,780.06 : x
  2. Step 2: Convert to fraction form
    336,435.60/504,655.29 = 99,780.06/x
  3. Step 3: Cross multiply
    336,435.60x = 504,655.29 × 99,780.06
  4. Step 4: Simplify right side
    336,435.60x = 50,354,535,115.52
  5. Step 5: Solve for x
    x = 50,354,535,115.52/336,435.60
  6. Step 6: Final answer
    x = 149,670.65

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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.