Finding the Fourth Proportional to 572,623.70, 858,665.75 and 212,545.08
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Solution
The fourth proportional to 572,623.70, 858,665.75 and 212,545.08 is: 318,717.48
Step by Step Solution
- Step 1: Write the proportion equation
572,623.70 : 858,665.75 = 212,545.08 : x - Step 2: Convert to fraction form
572,623.70/858,665.75 = 212,545.08/x - Step 3: Cross multiply
572,623.70x = 858,665.75 × 212,545.08 - Step 4: Simplify right side
572,623.70x = 182,505,179,464.29 - Step 5: Solve for x
x = 182,505,179,464.29/572,623.70 - Step 6: Final answer
x = 318,717.48
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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.