Finding the Fourth Proportional to 239,849.40, 359,377.14 and 215,125.08
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Solution
The fourth proportional to 239,849.40, 359,377.14 and 215,125.08 is: 322,331.58
Step by Step Solution
- Step 1: Write the proportion equation
239,849.40 : 359,377.14 = 215,125.08 : x - Step 2: Convert to fraction form
239,849.40/359,377.14 = 215,125.08/x - Step 3: Cross multiply
239,849.40x = 359,377.14 × 215,125.08 - Step 4: Simplify right side
239,849.40x = 77,311,035,992.67 - Step 5: Solve for x
x = 77,311,035,992.67/239,849.40 - Step 6: Final answer
x = 322,331.58
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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.