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Finding the Fourth Proportional to 326,402.74, 450,436.06 and 183,162.79

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Solution

The fourth proportional to 326,402.74, 450,436.06 and 183,162.79 is: 252,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,402.74 : 450,436.06 = 183,162.79 : x
  2. Step 2: Convert to fraction form
    326,402.74/450,436.06 = 183,162.79/x
  3. Step 3: Cross multiply
    326,402.74x = 450,436.06 × 183,162.79
  4. Step 4: Simplify right side
    326,402.74x = 82,503,124,030.71
  5. Step 5: Solve for x
    x = 82,503,124,030.71/326,402.74
  6. Step 6: Final answer
    x = 252,764.80

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1.5x scale

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.