Finding the Fourth Proportional to 129,174.84, 193,480.98 and 62,474.28
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Solution
The fourth proportional to 129,174.84, 193,480.98 and 62,474.28 is: 93,575.38
Step by Step Solution
- Step 1: Write the proportion equation
129,174.84 : 193,480.98 = 62,474.28 : x - Step 2: Convert to fraction form
129,174.84/193,480.98 = 62,474.28/x - Step 3: Cross multiply
129,174.84x = 193,480.98 × 62,474.28 - Step 4: Simplify right side
129,174.84x = 12,087,584,919.19 - Step 5: Solve for x
x = 12,087,584,919.19/129,174.84 - Step 6: Final answer
x = 93,575.38
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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.