Home / 189,738.52-284,588.70-49,497.40

Finding the Fourth Proportional to 189,738.52, 284,588.70 and 49,497.40

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Solution

The fourth proportional to 189,738.52, 284,588.70 and 49,497.40 is: 74,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,738.52 : 284,588.70 = 49,497.40 : x
  2. Step 2: Convert to fraction form
    189,738.52/284,588.70 = 49,497.40/x
  3. Step 3: Cross multiply
    189,738.52x = 284,588.70 × 49,497.40
  4. Step 4: Simplify right side
    189,738.52x = 14,086,400,719.38
  5. Step 5: Solve for x
    x = 14,086,400,719.38/189,738.52
  6. Step 6: Final answer
    x = 74,241.12

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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.