Home / 476,770.20-715,154.60-121,784.31

Finding the Fourth Proportional to 476,770.20, 715,154.60 and 121,784.31

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Solution

The fourth proportional to 476,770.20, 715,154.60 and 121,784.31 is: 182,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,770.20 : 715,154.60 = 121,784.31 : x
  2. Step 2: Convert to fraction form
    476,770.20/715,154.60 = 121,784.31/x
  3. Step 3: Cross multiply
    476,770.20x = 715,154.60 × 121,784.31
  4. Step 4: Simplify right side
    476,770.20x = 87,094,608,895.40
  5. Step 5: Solve for x
    x = 87,094,608,895.40/476,770.20
  6. Step 6: Final answer
    x = 182,676.28

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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.