Home / 446,977.62-670,478.58-131,444.64

Finding the Fourth Proportional to 446,977.62, 670,478.58 and 131,444.64

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Solution

The fourth proportional to 446,977.62, 670,478.58 and 131,444.64 is: 197,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,977.62 : 670,478.58 = 131,444.64 : x
  2. Step 2: Convert to fraction form
    446,977.62/670,478.58 = 131,444.64/x
  3. Step 3: Cross multiply
    446,977.62x = 670,478.58 × 131,444.64
  4. Step 4: Simplify right side
    446,977.62x = 88,130,815,575.81
  5. Step 5: Solve for x
    x = 88,130,815,575.81/446,977.62
  6. Step 6: Final answer
    x = 197,170.53

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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.