Finding the Fourth Proportional to 226,418.13, 312,460.26 and 124,453.02
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Solution
The fourth proportional to 226,418.13, 312,460.26 and 124,453.02 is: 171,746.95
Step by Step Solution
- Step 1: Write the proportion equation
226,418.13 : 312,460.26 = 124,453.02 : x - Step 2: Convert to fraction form
226,418.13/312,460.26 = 124,453.02/x - Step 3: Cross multiply
226,418.13x = 312,460.26 × 124,453.02 - Step 4: Simplify right side
226,418.13x = 38,886,622,986.99 - Step 5: Solve for x
x = 38,886,622,986.99/226,418.13 - Step 6: Final answer
x = 171,746.95
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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.