Home / 551,421.10-827,131.65-177,444.10

Finding the Fourth Proportional to 551,421.10, 827,131.65 and 177,444.10

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Solution

The fourth proportional to 551,421.10, 827,131.65 and 177,444.10 is: 266,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,421.10 : 827,131.65 = 177,444.10 : x
  2. Step 2: Convert to fraction form
    551,421.10/827,131.65 = 177,444.10/x
  3. Step 3: Cross multiply
    551,421.10x = 827,131.65 × 177,444.10
  4. Step 4: Simplify right side
    551,421.10x = 146,769,631,215.77
  5. Step 5: Solve for x
    x = 146,769,631,215.77/551,421.10
  6. Step 6: Final answer
    x = 266,166.15

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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.