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Finding the Fourth Proportional to 273,201.40, 377,008.02 and 158,482.32

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Solution

The fourth proportional to 273,201.40, 377,008.02 and 158,482.32 is: 218,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,201.40 : 377,008.02 = 158,482.32 : x
  2. Step 2: Convert to fraction form
    273,201.40/377,008.02 = 158,482.32/x
  3. Step 3: Cross multiply
    273,201.40x = 377,008.02 × 158,482.32
  4. Step 4: Simplify right side
    273,201.40x = 59,749,105,668.21
  5. Step 5: Solve for x
    x = 59,749,105,668.21/273,201.40
  6. Step 6: Final answer
    x = 218,699.85

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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.