Home / 446,830.78-670,240.33-109,874.35

Finding the Fourth Proportional to 446,830.78, 670,240.33 and 109,874.35

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Solution

The fourth proportional to 446,830.78, 670,240.33 and 109,874.35 is: 164,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,830.78 : 670,240.33 = 109,874.35 : x
  2. Step 2: Convert to fraction form
    446,830.78/670,240.33 = 109,874.35/x
  3. Step 3: Cross multiply
    446,830.78x = 670,240.33 × 109,874.35
  4. Step 4: Simplify right side
    446,830.78x = 73,642,220,602.54
  5. Step 5: Solve for x
    x = 73,642,220,602.54/446,830.78
  6. Step 6: Final answer
    x = 164,810.09

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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.