Finding the Fourth Proportional to 226,274.18, 312,260.40 and 124,301.70
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Solution
The fourth proportional to 226,274.18, 312,260.40 and 124,301.70 is: 171,537.47
Step by Step Solution
- Step 1: Write the proportion equation
226,274.18 : 312,260.40 = 124,301.70 : x - Step 2: Convert to fraction form
226,274.18/312,260.40 = 124,301.70/x - Step 3: Cross multiply
226,274.18x = 312,260.40 × 124,301.70 - Step 4: Simplify right side
226,274.18x = 38,814,498,562.68 - Step 5: Solve for x
x = 38,814,498,562.68/226,274.18 - Step 6: Final answer
x = 171,537.47
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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.