Home / 446,376.60-669,570.35-130,839.89

Finding the Fourth Proportional to 446,376.60, 669,570.35 and 130,839.89

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Solution

The fourth proportional to 446,376.60, 669,570.35 and 130,839.89 is: 196,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,376.60 : 669,570.35 = 130,839.89 : x
  2. Step 2: Convert to fraction form
    446,376.60/669,570.35 = 130,839.89/x
  3. Step 3: Cross multiply
    446,376.60x = 669,570.35 × 130,839.89
  4. Step 4: Simplify right side
    446,376.60x = 87,606,506,939.21
  5. Step 5: Solve for x
    x = 87,606,506,939.21/446,376.60
  6. Step 6: Final answer
    x = 196,261.42

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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.