Home / 446,621.58-670,024.71-147,120.44

Finding the Fourth Proportional to 446,621.58, 670,024.71 and 147,120.44

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Solution

The fourth proportional to 446,621.58, 670,024.71 and 147,120.44 is: 220,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,621.58 : 670,024.71 = 147,120.44 : x
  2. Step 2: Convert to fraction form
    446,621.58/670,024.71 = 147,120.44/x
  3. Step 3: Cross multiply
    446,621.58x = 670,024.71 × 147,120.44
  4. Step 4: Simplify right side
    446,621.58x = 98,574,326,795.95
  5. Step 5: Solve for x
    x = 98,574,326,795.95/446,621.58
  6. Step 6: Final answer
    x = 220,711.07

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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.