Home / 668,044.96-1,001,988.50-188,308.73

Finding the Fourth Proportional to 668,044.96, 1,001,988.50 and 188,308.73

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Solution

The fourth proportional to 668,044.96, 1,001,988.50 and 188,308.73 is: 282,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,044.96 : 1,001,988.50 = 188,308.73 : x
  2. Step 2: Convert to fraction form
    668,044.96/1,001,988.50 = 188,308.73/x
  3. Step 3: Cross multiply
    668,044.96x = 1,001,988.50 × 188,308.73
  4. Step 4: Simplify right side
    668,044.96x = 188,683,183,473.03
  5. Step 5: Solve for x
    x = 188,683,183,473.03/668,044.96
  6. Step 6: Final answer
    x = 282,440.85

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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.