Home / 323,928.26-447,030.47-180,685.21

Finding the Fourth Proportional to 323,928.26, 447,030.47 and 180,685.21

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Solution

The fourth proportional to 323,928.26, 447,030.47 and 180,685.21 is: 249,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,928.26 : 447,030.47 = 180,685.21 : x
  2. Step 2: Convert to fraction form
    323,928.26/447,030.47 = 180,685.21/x
  3. Step 3: Cross multiply
    323,928.26x = 447,030.47 × 180,685.21
  4. Step 4: Simplify right side
    323,928.26x = 80,771,791,209.77
  5. Step 5: Solve for x
    x = 80,771,791,209.77/323,928.26
  6. Step 6: Final answer
    x = 249,350.86

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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.