Home / 450,627.26-621,823.10-269,303.10

Finding the Fourth Proportional to 450,627.26, 621,823.10 and 269,303.10

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Solution

The fourth proportional to 450,627.26, 621,823.10 and 269,303.10 is: 371,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,627.26 : 621,823.10 = 269,303.10 : x
  2. Step 2: Convert to fraction form
    450,627.26/621,823.10 = 269,303.10/x
  3. Step 3: Cross multiply
    450,627.26x = 621,823.10 × 269,303.10
  4. Step 4: Simplify right side
    450,627.26x = 167,458,888,481.61
  5. Step 5: Solve for x
    x = 167,458,888,481.61/450,627.26
  6. Step 6: Final answer
    x = 371,612.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.