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Finding the Fourth Proportional to 307,383, 424,266.30 and 173,324.76

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Solution

The fourth proportional to 307,383, 424,266.30 and 173,324.76 is: 239,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,383 : 424,266.30 = 173,324.76 : x
  2. Step 2: Convert to fraction form
    307,383/424,266.30 = 173,324.76/x
  3. Step 3: Cross multiply
    307,383x = 424,266.30 × 173,324.76
  4. Step 4: Simplify right side
    307,383x = 73,535,854,623.59
  5. Step 5: Solve for x
    x = 73,535,854,623.59/307,383
  6. Step 6: Final answer
    x = 239,232.02

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1.5x scale

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.