Home / 490,795.29-736,209.32-135,779.58

Finding the Fourth Proportional to 490,795.29, 736,209.32 and 135,779.58

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Solution

The fourth proportional to 490,795.29, 736,209.32 and 135,779.58 is: 203,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,795.29 : 736,209.32 = 135,779.58 : x
  2. Step 2: Convert to fraction form
    490,795.29/736,209.32 = 135,779.58/x
  3. Step 3: Cross multiply
    490,795.29x = 736,209.32 × 135,779.58
  4. Step 4: Simplify right side
    490,795.29x = 99,962,192,261.69
  5. Step 5: Solve for x
    x = 99,962,192,261.69/490,795.29
  6. Step 6: Final answer
    x = 203,673.90

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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.