Home / 490,795.38-736,209.50-135,779.67

Finding the Fourth Proportional to 490,795.38, 736,209.50 and 135,779.67

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Solution

The fourth proportional to 490,795.38, 736,209.50 and 135,779.67 is: 203,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,795.38 : 736,209.50 = 135,779.67 : x
  2. Step 2: Convert to fraction form
    490,795.38/736,209.50 = 135,779.67/x
  3. Step 3: Cross multiply
    490,795.38x = 736,209.50 × 135,779.67
  4. Step 4: Simplify right side
    490,795.38x = 99,962,282,281.97
  5. Step 5: Solve for x
    x = 99,962,282,281.97/490,795.38
  6. Step 6: Final answer
    x = 203,674.05

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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.