Home / 432,284.78-648,458.26-166,045.30

Finding the Fourth Proportional to 432,284.78, 648,458.26 and 166,045.30

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Solution

The fourth proportional to 432,284.78, 648,458.26 and 166,045.30 is: 249,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,284.78 : 648,458.26 = 166,045.30 : x
  2. Step 2: Convert to fraction form
    432,284.78/648,458.26 = 166,045.30/x
  3. Step 3: Cross multiply
    432,284.78x = 648,458.26 × 166,045.30
  4. Step 4: Simplify right side
    432,284.78x = 107,673,444,282.92
  5. Step 5: Solve for x
    x = 107,673,444,282.92/432,284.78
  6. Step 6: Final answer
    x = 249,079.89

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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.