Home / 211,632.72-317,282.64-144,870.48

Finding the Fourth Proportional to 211,632.72, 317,282.64 and 144,870.48

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Solution

The fourth proportional to 211,632.72, 317,282.64 and 144,870.48 is: 217,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,632.72 : 317,282.64 = 144,870.48 : x
  2. Step 2: Convert to fraction form
    211,632.72/317,282.64 = 144,870.48/x
  3. Step 3: Cross multiply
    211,632.72x = 317,282.64 × 144,870.48
  4. Step 4: Simplify right side
    211,632.72x = 45,964,888,352.47
  5. Step 5: Solve for x
    x = 45,964,888,352.47/211,632.72
  6. Step 6: Final answer
    x = 217,191.79

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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.