Home / 379,083.07-568,289.53-154,631.26

Finding the Fourth Proportional to 379,083.07, 568,289.53 and 154,631.26

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Solution

The fourth proportional to 379,083.07, 568,289.53 and 154,631.26 is: 231,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,083.07 : 568,289.53 = 154,631.26 : x
  2. Step 2: Convert to fraction form
    379,083.07/568,289.53 = 154,631.26/x
  3. Step 3: Cross multiply
    379,083.07x = 568,289.53 × 154,631.26
  4. Step 4: Simplify right side
    379,083.07x = 87,875,326,068.71
  5. Step 5: Solve for x
    x = 87,875,326,068.71/379,083.07
  6. Step 6: Final answer
    x = 231,810.21

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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.