Finding the Fourth Proportional to 292,942.84, 439,545.54 and 135,086.68
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Solution
The fourth proportional to 292,942.84, 439,545.54 and 135,086.68 is: 202,690.56
Step by Step Solution
- Step 1: Write the proportion equation
292,942.84 : 439,545.54 = 135,086.68 : x - Step 2: Convert to fraction form
292,942.84/439,545.54 = 135,086.68/x - Step 3: Cross multiply
292,942.84x = 439,545.54 × 135,086.68 - Step 4: Simplify right side
292,942.84x = 59,376,747,707.41 - Step 5: Solve for x
x = 59,376,747,707.41/292,942.84 - Step 6: Final answer
x = 202,690.56
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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.