Home / 189,819.37-284,729.01-173,979.91

Finding the Fourth Proportional to 189,819.37, 284,729.01 and 173,979.91

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Solution

The fourth proportional to 189,819.37, 284,729.01 and 173,979.91 is: 260,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,819.37 : 284,729.01 = 173,979.91 : x
  2. Step 2: Convert to fraction form
    189,819.37/284,729.01 = 173,979.91/x
  3. Step 3: Cross multiply
    189,819.37x = 284,729.01 × 173,979.91
  4. Step 4: Simplify right side
    189,819.37x = 49,537,127,534.19
  5. Step 5: Solve for x
    x = 49,537,127,534.19/189,819.37
  6. Step 6: Final answer
    x = 260,969.82

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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.