Home / 427,243.51-641,250.47-227,730.07

Finding the Fourth Proportional to 427,243.51, 641,250.47 and 227,730.07

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Solution

The fourth proportional to 427,243.51, 641,250.47 and 227,730.07 is: 341,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,243.51 : 641,250.47 = 227,730.07 : x
  2. Step 2: Convert to fraction form
    427,243.51/641,250.47 = 227,730.07/x
  3. Step 3: Cross multiply
    427,243.51x = 641,250.47 × 227,730.07
  4. Step 4: Simplify right side
    427,243.51x = 146,032,014,420.63
  5. Step 5: Solve for x
    x = 146,032,014,420.63/427,243.51
  6. Step 6: Final answer
    x = 341,800.43

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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.