Home / 436,214.18-654,320.28-136,717.58

Finding the Fourth Proportional to 436,214.18, 654,320.28 and 136,717.58

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Solution

The fourth proportional to 436,214.18, 654,320.28 and 136,717.58 is: 205,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,214.18 : 654,320.28 = 136,717.58 : x
  2. Step 2: Convert to fraction form
    436,214.18/654,320.28 = 136,717.58/x
  3. Step 3: Cross multiply
    436,214.18x = 654,320.28 × 136,717.58
  4. Step 4: Simplify right side
    436,214.18x = 89,457,085,226.52
  5. Step 5: Solve for x
    x = 89,457,085,226.52/436,214.18
  6. Step 6: Final answer
    x = 205,076.06

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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.