Home / 450,105.26-621,085.12-248,914.22

Finding the Fourth Proportional to 450,105.26, 621,085.12 and 248,914.22

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Solution

The fourth proportional to 450,105.26, 621,085.12 and 248,914.22 is: 343,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,105.26 : 621,085.12 = 248,914.22 : x
  2. Step 2: Convert to fraction form
    450,105.26/621,085.12 = 248,914.22/x
  3. Step 3: Cross multiply
    450,105.26x = 621,085.12 × 248,914.22
  4. Step 4: Simplify right side
    450,105.26x = 154,596,914,470.70
  5. Step 5: Solve for x
    x = 154,596,914,470.70/450,105.26
  6. Step 6: Final answer
    x = 343,468.36

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1.5x scale

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.