Home / 307,905.73-424,901.64-171,935.89

Finding the Fourth Proportional to 307,905.73, 424,901.64 and 171,935.89

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Solution

The fourth proportional to 307,905.73, 424,901.64 and 171,935.89 is: 237,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,905.73 : 424,901.64 = 171,935.89 : x
  2. Step 2: Convert to fraction form
    307,905.73/424,901.64 = 171,935.89/x
  3. Step 3: Cross multiply
    307,905.73x = 424,901.64 × 171,935.89
  4. Step 4: Simplify right side
    307,905.73x = 73,055,841,635.86
  5. Step 5: Solve for x
    x = 73,055,841,635.86/307,905.73
  6. Step 6: Final answer
    x = 237,266.91

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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.