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Finding the Fourth Proportional to 326,555.52, 450,646.40 and 183,315.84

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Solution

The fourth proportional to 326,555.52, 450,646.40 and 183,315.84 is: 252,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,555.52 : 450,646.40 = 183,315.84 : x
  2. Step 2: Convert to fraction form
    326,555.52/450,646.40 = 183,315.84/x
  3. Step 3: Cross multiply
    326,555.52x = 450,646.40 × 183,315.84
  4. Step 4: Simplify right side
    326,555.52x = 82,610,623,358.98
  5. Step 5: Solve for x
    x = 82,610,623,358.98/326,555.52
  6. Step 6: Final answer
    x = 252,975.74

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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.