Finding the Fourth Proportional to 212,681.24, 319,023.10 and 54,898.92
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Solution
The fourth proportional to 212,681.24, 319,023.10 and 54,898.92 is: 82,348.70
Step by Step Solution
- Step 1: Write the proportion equation
212,681.24 : 319,023.10 = 54,898.92 : x - Step 2: Convert to fraction form
212,681.24/319,023.10 = 54,898.92/x - Step 3: Cross multiply
212,681.24x = 319,023.10 × 54,898.92 - Step 4: Simplify right side
212,681.24x = 17,514,023,645.05 - Step 5: Solve for x
x = 17,514,023,645.05/212,681.24 - Step 6: Final answer
x = 82,348.70
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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.