Finding the Fourth Proportional to 191,574.68, 264,381.26 and 106,691.74
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Solution
The fourth proportional to 191,574.68, 264,381.26 and 106,691.74 is: 147,239.17
Step by Step Solution
- Step 1: Write the proportion equation
191,574.68 : 264,381.26 = 106,691.74 : x - Step 2: Convert to fraction form
191,574.68/264,381.26 = 106,691.74/x - Step 3: Cross multiply
191,574.68x = 264,381.26 × 106,691.74 - Step 4: Simplify right side
191,574.68x = 28,207,297,545.67 - Step 5: Solve for x
x = 28,207,297,545.67/191,574.68 - Step 6: Final answer
x = 147,239.17
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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.