Home / 436,440.34-654,639.45-152,119.41

Finding the Fourth Proportional to 436,440.34, 654,639.45 and 152,119.41

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Solution

The fourth proportional to 436,440.34, 654,639.45 and 152,119.41 is: 228,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,440.34 : 654,639.45 = 152,119.41 : x
  2. Step 2: Convert to fraction form
    436,440.34/654,639.45 = 152,119.41/x
  3. Step 3: Cross multiply
    436,440.34x = 654,639.45 × 152,119.41
  4. Step 4: Simplify right side
    436,440.34x = 99,583,366,896.72
  5. Step 5: Solve for x
    x = 99,583,366,896.72/436,440.34
  6. Step 6: Final answer
    x = 228,171.77

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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.