Home / 211,842.32-317,609.51-99,464.67

Finding the Fourth Proportional to 211,842.32, 317,609.51 and 99,464.67

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Solution

The fourth proportional to 211,842.32, 317,609.51 and 99,464.67 is: 149,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,842.32 : 317,609.51 = 99,464.67 : x
  2. Step 2: Convert to fraction form
    211,842.32/317,609.51 = 99,464.67/x
  3. Step 3: Cross multiply
    211,842.32x = 317,609.51 × 99,464.67
  4. Step 4: Simplify right side
    211,842.32x = 31,590,924,603.69
  5. Step 5: Solve for x
    x = 31,590,924,603.69/211,842.32
  6. Step 6: Final answer
    x = 149,124.71

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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.