Home / 326,582.96-489,905.42-126,918.77

Finding the Fourth Proportional to 326,582.96, 489,905.42 and 126,918.77

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Solution

The fourth proportional to 326,582.96, 489,905.42 and 126,918.77 is: 190,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,582.96 : 489,905.42 = 126,918.77 : x
  2. Step 2: Convert to fraction form
    326,582.96/489,905.42 = 126,918.77/x
  3. Step 3: Cross multiply
    326,582.96x = 489,905.42 × 126,918.77
  4. Step 4: Simplify right side
    326,582.96x = 62,178,190,238.61
  5. Step 5: Solve for x
    x = 62,178,190,238.61/326,582.96
  6. Step 6: Final answer
    x = 190,390.19

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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.