Home / 326,276.69-489,270.40-174,436.93

Finding the Fourth Proportional to 326,276.69, 489,270.40 and 174,436.93

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Solution

The fourth proportional to 326,276.69, 489,270.40 and 174,436.93 is: 261,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,276.69 : 489,270.40 = 174,436.93 : x
  2. Step 2: Convert to fraction form
    326,276.69/489,270.40 = 174,436.93/x
  3. Step 3: Cross multiply
    326,276.69x = 489,270.40 × 174,436.93
  4. Step 4: Simplify right side
    326,276.69x = 85,346,824,856.60
  5. Step 5: Solve for x
    x = 85,346,824,856.60/326,276.69
  6. Step 6: Final answer
    x = 261,578.06

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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.