Home / 476,848.80-715,273.20-121,890.60

Finding the Fourth Proportional to 476,848.80, 715,273.20 and 121,890.60

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Solution

The fourth proportional to 476,848.80, 715,273.20 and 121,890.60 is: 182,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,848.80 : 715,273.20 = 121,890.60 : x
  2. Step 2: Convert to fraction form
    476,848.80/715,273.20 = 121,890.60/x
  3. Step 3: Cross multiply
    476,848.80x = 715,273.20 × 121,890.60
  4. Step 4: Simplify right side
    476,848.80x = 87,185,079,511.92
  5. Step 5: Solve for x
    x = 87,185,079,511.92/476,848.80
  6. Step 6: Final answer
    x = 182,835.90

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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.