Finding the Fourth Proportional to 226,560.18, 312,658.11 and 124,579.15
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Solution
The fourth proportional to 226,560.18, 312,658.11 and 124,579.15 is: 171,922.01
Step by Step Solution
- Step 1: Write the proportion equation
226,560.18 : 312,658.11 = 124,579.15 : x - Step 2: Convert to fraction form
226,560.18/312,658.11 = 124,579.15/x - Step 3: Cross multiply
226,560.18x = 312,658.11 × 124,579.15 - Step 4: Simplify right side
226,560.18x = 38,950,681,584.41 - Step 5: Solve for x
x = 38,950,681,584.41/226,560.18 - Step 6: Final answer
x = 171,922.01
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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.