Finding the Fourth Proportional to 147,974.36, 221,703.18 and 123,173.84
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Solution
The fourth proportional to 147,974.36, 221,703.18 and 123,173.84 is: 184,545.70
Step by Step Solution
- Step 1: Write the proportion equation
147,974.36 : 221,703.18 = 123,173.84 : x - Step 2: Convert to fraction form
147,974.36/221,703.18 = 123,173.84/x - Step 3: Cross multiply
147,974.36x = 221,703.18 × 123,173.84 - Step 4: Simplify right side
147,974.36x = 27,308,032,020.81 - Step 5: Solve for x
x = 27,308,032,020.81/147,974.36 - Step 6: Final answer
x = 184,545.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.