Home / 450,751.22-621,854.38-269,359.62

Finding the Fourth Proportional to 450,751.22, 621,854.38 and 269,359.62

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Solution

The fourth proportional to 450,751.22, 621,854.38 and 269,359.62 is: 371,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,751.22 : 621,854.38 = 269,359.62 : x
  2. Step 2: Convert to fraction form
    450,751.22/621,854.38 = 269,359.62/x
  3. Step 3: Cross multiply
    450,751.22x = 621,854.38 × 269,359.62
  4. Step 4: Simplify right side
    450,751.22x = 167,502,459,492.14
  5. Step 5: Solve for x
    x = 167,502,459,492.14/450,751.22
  6. Step 6: Final answer
    x = 371,607.33

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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.