Finding the Fourth Proportional to 226,545.81, 312,641.24 and 124,579.05
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Solution
The fourth proportional to 226,545.81, 312,641.24 and 124,579.05 is: 171,923.50
Step by Step Solution
- Step 1: Write the proportion equation
226,545.81 : 312,641.24 = 124,579.05 : x - Step 2: Convert to fraction form
226,545.81/312,641.24 = 124,579.05/x - Step 3: Cross multiply
226,545.81x = 312,641.24 × 124,579.05 - Step 4: Simplify right side
226,545.81x = 38,948,548,047.13 - Step 5: Solve for x
x = 38,948,548,047.13/226,545.81 - Step 6: Final answer
x = 171,923.50
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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.