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Finding the Fourth Proportional to 480,137.81, 662,616.75 and 265,273.26

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Solution

The fourth proportional to 480,137.81, 662,616.75 and 265,273.26 is: 366,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,137.81 : 662,616.75 = 265,273.26 : x
  2. Step 2: Convert to fraction form
    480,137.81/662,616.75 = 265,273.26/x
  3. Step 3: Cross multiply
    480,137.81x = 662,616.75 × 265,273.26
  4. Step 4: Simplify right side
    480,137.81x = 175,774,505,403.11
  5. Step 5: Solve for x
    x = 175,774,505,403.11/480,137.81
  6. Step 6: Final answer
    x = 366,091.78

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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.