Home / 436,440.84-654,640.20-152,119.91

Finding the Fourth Proportional to 436,440.84, 654,640.20 and 152,119.91

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Solution

The fourth proportional to 436,440.84, 654,640.20 and 152,119.91 is: 228,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,440.84 : 654,640.20 = 152,119.91 : x
  2. Step 2: Convert to fraction form
    436,440.84/654,640.20 = 152,119.91/x
  3. Step 3: Cross multiply
    436,440.84x = 654,640.20 × 152,119.91
  4. Step 4: Simplify right side
    436,440.84x = 99,583,805,033.18
  5. Step 5: Solve for x
    x = 99,583,805,033.18/436,440.84
  6. Step 6: Final answer
    x = 228,172.52

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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.