Finding the Fourth Proportional to 272,191.06, 375,644.68 and 163,299.48
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Solution
The fourth proportional to 272,191.06, 375,644.68 and 163,299.48 is: 225,365.89
Step by Step Solution
- Step 1: Write the proportion equation
272,191.06 : 375,644.68 = 163,299.48 : x - Step 2: Convert to fraction form
272,191.06/375,644.68 = 163,299.48/x - Step 3: Cross multiply
272,191.06x = 375,644.68 × 163,299.48 - Step 4: Simplify right side
272,191.06x = 61,342,580,908.77 - Step 5: Solve for x
x = 61,342,580,908.77/272,191.06 - Step 6: Final answer
x = 225,365.89
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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.