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Finding the Fourth Proportional to 326,347.64, 450,366.72 and 183,118.04

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Solution

The fourth proportional to 326,347.64, 450,366.72 and 183,118.04 is: 252,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,347.64 : 450,366.72 = 183,118.04 : x
  2. Step 2: Convert to fraction form
    326,347.64/450,366.72 = 183,118.04/x
  3. Step 3: Cross multiply
    326,347.64x = 450,366.72 × 183,118.04
  4. Step 4: Simplify right side
    326,347.64x = 82,470,271,047.63
  5. Step 5: Solve for x
    x = 82,470,271,047.63/326,347.64
  6. Step 6: Final answer
    x = 252,706.81

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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.