Home / 561,926.80-842,890.20-162,580.60

Finding the Fourth Proportional to 561,926.80, 842,890.20 and 162,580.60

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Solution

The fourth proportional to 561,926.80, 842,890.20 and 162,580.60 is: 243,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,926.80 : 842,890.20 = 162,580.60 : x
  2. Step 2: Convert to fraction form
    561,926.80/842,890.20 = 162,580.60/x
  3. Step 3: Cross multiply
    561,926.80x = 842,890.20 × 162,580.60
  4. Step 4: Simplify right side
    561,926.80x = 137,037,594,450.12
  5. Step 5: Solve for x
    x = 137,037,594,450.12/561,926.80
  6. Step 6: Final answer
    x = 243,870.90

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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.