Finding the Fourth Proportional to 147,171.36, 220,603.36 and 68,220.48
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Solution
The fourth proportional to 147,171.36, 220,603.36 and 68,220.48 is: 102,259.48
Step by Step Solution
- Step 1: Write the proportion equation
147,171.36 : 220,603.36 = 68,220.48 : x - Step 2: Convert to fraction form
147,171.36/220,603.36 = 68,220.48/x - Step 3: Cross multiply
147,171.36x = 220,603.36 × 68,220.48 - Step 4: Simplify right side
147,171.36x = 15,049,667,108.81 - Step 5: Solve for x
x = 15,049,667,108.81/147,171.36 - Step 6: Final answer
x = 102,259.48
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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.