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Finding the Fourth Proportional to 262,969.51, 362,882.28 and 152,579.61

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Solution

The fourth proportional to 262,969.51, 362,882.28 and 152,579.61 is: 210,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,969.51 : 362,882.28 = 152,579.61 : x
  2. Step 2: Convert to fraction form
    262,969.51/362,882.28 = 152,579.61/x
  3. Step 3: Cross multiply
    262,969.51x = 362,882.28 × 152,579.61
  4. Step 4: Simplify right side
    262,969.51x = 55,368,437,152.63
  5. Step 5: Solve for x
    x = 55,368,437,152.63/262,969.51
  6. Step 6: Final answer
    x = 210,550.79

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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.