Finding the Fourth Proportional to 154,014.16, 212,553.84 and 93,570.88
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Solution
The fourth proportional to 154,014.16, 212,553.84 and 93,570.88 is: 129,136.50
Step by Step Solution
- Step 1: Write the proportion equation
154,014.16 : 212,553.84 = 93,570.88 : x - Step 2: Convert to fraction form
154,014.16/212,553.84 = 93,570.88/x - Step 3: Cross multiply
154,014.16x = 212,553.84 × 93,570.88 - Step 4: Simplify right side
154,014.16x = 19,888,849,856.18 - Step 5: Solve for x
x = 19,888,849,856.18/154,014.16 - Step 6: Final answer
x = 129,136.50
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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.