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Finding the Fourth Proportional to 446,571.90, 616,265.90 and 242,624.49

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Solution

The fourth proportional to 446,571.90, 616,265.90 and 242,624.49 is: 334,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,571.90 : 616,265.90 = 242,624.49 : x
  2. Step 2: Convert to fraction form
    446,571.90/616,265.90 = 242,624.49/x
  3. Step 3: Cross multiply
    446,571.90x = 616,265.90 × 242,624.49
  4. Step 4: Simplify right side
    446,571.90x = 149,521,198,478.77
  5. Step 5: Solve for x
    x = 149,521,198,478.77/446,571.90
  6. Step 6: Final answer
    x = 334,819.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.