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Finding the Fourth Proportional to 326,529.48, 450,618.72 and 183,300.48

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Solution

The fourth proportional to 326,529.48, 450,618.72 and 183,300.48 is: 252,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,529.48 : 450,618.72 = 183,300.48 : x
  2. Step 2: Convert to fraction form
    326,529.48/450,618.72 = 183,300.48/x
  3. Step 3: Cross multiply
    326,529.48x = 450,618.72 × 183,300.48
  4. Step 4: Simplify right side
    326,529.48x = 82,598,627,672.99
  5. Step 5: Solve for x
    x = 82,598,627,672.99/326,529.48
  6. Step 6: Final answer
    x = 252,959.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.