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Finding the Fourth Proportional to 310,240.36, 465,334.62 and 123,201.64

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Solution

The fourth proportional to 310,240.36, 465,334.62 and 123,201.64 is: 184,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,240.36 : 465,334.62 = 123,201.64 : x
  2. Step 2: Convert to fraction form
    310,240.36/465,334.62 = 123,201.64/x
  3. Step 3: Cross multiply
    310,240.36x = 465,334.62 × 123,201.64
  4. Step 4: Simplify right side
    310,240.36x = 57,329,988,332.78
  5. Step 5: Solve for x
    x = 57,329,988,332.78/310,240.36
  6. Step 6: Final answer
    x = 184,792.17

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1.5x scale

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.