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Finding the Fourth Proportional to 326,501.00, 489,940.58 and 136,944.50

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Solution

The fourth proportional to 326,501.00, 489,940.58 and 136,944.50 is: 205,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,501.00 : 489,940.58 = 136,944.50 : x
  2. Step 2: Convert to fraction form
    326,501.00/489,940.58 = 136,944.50/x
  3. Step 3: Cross multiply
    326,501.00x = 489,940.58 × 136,944.50
  4. Step 4: Simplify right side
    326,501.00x = 67,094,664,623.38
  5. Step 5: Solve for x
    x = 67,094,664,623.38/326,501.00
  6. Step 6: Final answer
    x = 205,496.05

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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.