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Finding the Fourth Proportional to 303,073.54, 417,806.92 and 238,430.51

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Solution

The fourth proportional to 303,073.54, 417,806.92 and 238,430.51 is: 328,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,073.54 : 417,806.92 = 238,430.51 : x
  2. Step 2: Convert to fraction form
    303,073.54/417,806.92 = 238,430.51/x
  3. Step 3: Cross multiply
    303,073.54x = 417,806.92 × 238,430.51
  4. Step 4: Simplify right side
    303,073.54x = 99,617,914,332.02
  5. Step 5: Solve for x
    x = 99,617,914,332.02/303,073.54
  6. Step 6: Final answer
    x = 328,692.22

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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.