Home / 551,111.83-826,720.03-214,178.51

Finding the Fourth Proportional to 551,111.83, 826,720.03 and 214,178.51

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Solution

The fourth proportional to 551,111.83, 826,720.03 and 214,178.51 is: 321,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,111.83 : 826,720.03 = 214,178.51 : x
  2. Step 2: Convert to fraction form
    551,111.83/826,720.03 = 214,178.51/x
  3. Step 3: Cross multiply
    551,111.83x = 826,720.03 × 214,178.51
  4. Step 4: Simplify right side
    551,111.83x = 177,065,666,547.08
  5. Step 5: Solve for x
    x = 177,065,666,547.08/551,111.83
  6. Step 6: Final answer
    x = 321,288.09

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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.