Finding the Fourth Proportional to 194,443.12, 291,678.72 and 68,069.08
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Solution
The fourth proportional to 194,443.12, 291,678.72 and 68,069.08 is: 102,108.54
Step by Step Solution
- Step 1: Write the proportion equation
194,443.12 : 291,678.72 = 68,069.08 : x - Step 2: Convert to fraction form
194,443.12/291,678.72 = 68,069.08/x - Step 3: Cross multiply
194,443.12x = 291,678.72 × 68,069.08 - Step 4: Simplify right side
194,443.12x = 19,854,302,125.98 - Step 5: Solve for x
x = 19,854,302,125.98/194,443.12 - Step 6: Final answer
x = 102,108.54
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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.