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Finding the Fourth Proportional to 273,643.17, 377,624.00 and 152,786.51

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Solution

The fourth proportional to 273,643.17, 377,624.00 and 152,786.51 is: 210,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,643.17 : 377,624.00 = 152,786.51 : x
  2. Step 2: Convert to fraction form
    273,643.17/377,624.00 = 152,786.51/x
  3. Step 3: Cross multiply
    273,643.17x = 377,624.00 × 152,786.51
  4. Step 4: Simplify right side
    273,643.17x = 57,695,852,288.31
  5. Step 5: Solve for x
    x = 57,695,852,288.31/273,643.17
  6. Step 6: Final answer
    x = 210,843.39

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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.