Home / 326,458.05-489,769.70-158,059.05

Finding the Fourth Proportional to 326,458.05, 489,769.70 and 158,059.05

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Solution

The fourth proportional to 326,458.05, 489,769.70 and 158,059.05 is: 237,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,458.05 : 489,769.70 = 158,059.05 : x
  2. Step 2: Convert to fraction form
    326,458.05/489,769.70 = 158,059.05/x
  3. Step 3: Cross multiply
    326,458.05x = 489,769.70 × 158,059.05
  4. Step 4: Simplify right side
    326,458.05x = 77,412,532,710.49
  5. Step 5: Solve for x
    x = 77,412,532,710.49/326,458.05
  6. Step 6: Final answer
    x = 237,128.58

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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.