Finding the Fourth Proportional to 226,823.80, 313,014.36 and 124,847.08
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Solution
The fourth proportional to 226,823.80, 313,014.36 and 124,847.08 is: 172,287.60
Step by Step Solution
- Step 1: Write the proportion equation
226,823.80 : 313,014.36 = 124,847.08 : x - Step 2: Convert to fraction form
226,823.80/313,014.36 = 124,847.08/x - Step 3: Cross multiply
226,823.80x = 313,014.36 × 124,847.08 - Step 4: Simplify right side
226,823.80x = 39,078,928,844.07 - Step 5: Solve for x
x = 39,078,928,844.07/226,823.80 - Step 6: Final answer
x = 172,287.60
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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.