Finding the Fourth Proportional to 114,572.05, 171,817.06 and 39,672.08
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Solution
The fourth proportional to 114,572.05, 171,817.06 and 39,672.08 is: 59,493.91
Step by Step Solution
- Step 1: Write the proportion equation
114,572.05 : 171,817.06 = 39,672.08 : x - Step 2: Convert to fraction form
114,572.05/171,817.06 = 39,672.08/x - Step 3: Cross multiply
114,572.05x = 171,817.06 × 39,672.08 - Step 4: Simplify right side
114,572.05x = 6,816,339,092.24 - Step 5: Solve for x
x = 6,816,339,092.24/114,572.05 - Step 6: Final answer
x = 59,493.91
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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.