Finding the Fourth Proportional to 221,934.82, 306,271.44 and 119,960.07
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Solution
The fourth proportional to 221,934.82, 306,271.44 and 119,960.07 is: 165,545.65
Step by Step Solution
- Step 1: Write the proportion equation
221,934.82 : 306,271.44 = 119,960.07 : x - Step 2: Convert to fraction form
221,934.82/306,271.44 = 119,960.07/x - Step 3: Cross multiply
221,934.82x = 306,271.44 × 119,960.07 - Step 4: Simplify right side
221,934.82x = 36,740,343,381.40 - Step 5: Solve for x
x = 36,740,343,381.40/221,934.82 - Step 6: Final answer
x = 165,545.65
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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.