Home / 288,421.62-432,326.07-170,148.66

Finding the Fourth Proportional to 288,421.62, 432,326.07 and 170,148.66

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Solution

The fourth proportional to 288,421.62, 432,326.07 and 170,148.66 is: 255,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,421.62 : 432,326.07 = 170,148.66 : x
  2. Step 2: Convert to fraction form
    288,421.62/432,326.07 = 170,148.66/x
  3. Step 3: Cross multiply
    288,421.62x = 432,326.07 × 170,148.66
  4. Step 4: Simplify right side
    288,421.62x = 73,559,701,493.57
  5. Step 5: Solve for x
    x = 73,559,701,493.57/288,421.62
  6. Step 6: Final answer
    x = 255,042.26

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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.