Home / 289,497.11-434,277.75-99,936

Finding the Fourth Proportional to 289,497.11, 434,277.75 and 99,936

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Solution

The fourth proportional to 289,497.11, 434,277.75 and 99,936 is: 149,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,497.11 : 434,277.75 = 99,936 : x
  2. Step 2: Convert to fraction form
    289,497.11/434,277.75 = 99,936/x
  3. Step 3: Cross multiply
    289,497.11x = 434,277.75 × 99,936
  4. Step 4: Simplify right side
    289,497.11x = 43,399,981,224
  5. Step 5: Solve for x
    x = 43,399,981,224/289,497.11
  6. Step 6: Final answer
    x = 149,915.08

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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.