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Finding the Fourth Proportional to 587,566.13, 881,370.07 and 188,155

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Solution

The fourth proportional to 587,566.13, 881,370.07 and 188,155 is: 282,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,566.13 : 881,370.07 = 188,155 : x
  2. Step 2: Convert to fraction form
    587,566.13/881,370.07 = 188,155/x
  3. Step 3: Cross multiply
    587,566.13x = 881,370.07 × 188,155
  4. Step 4: Simplify right side
    587,566.13x = 165,834,185,520.85
  5. Step 5: Solve for x
    x = 165,834,185,520.85/587,566.13
  6. Step 6: Final answer
    x = 282,239.18

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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.