Home / 427,602.47-641,300.03-178,148.39

Finding the Fourth Proportional to 427,602.47, 641,300.03 and 178,148.39

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Solution

The fourth proportional to 427,602.47, 641,300.03 and 178,148.39 is: 267,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,602.47 : 641,300.03 = 178,148.39 : x
  2. Step 2: Convert to fraction form
    427,602.47/641,300.03 = 178,148.39/x
  3. Step 3: Cross multiply
    427,602.47x = 641,300.03 × 178,148.39
  4. Step 4: Simplify right side
    427,602.47x = 114,246,566,960.71
  5. Step 5: Solve for x
    x = 114,246,566,960.71/427,602.47
  6. Step 6: Final answer
    x = 267,179.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.