Finding the Fourth Proportional to 272,587.68, 409,056.48 and 132,269.76
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Solution
The fourth proportional to 272,587.68, 409,056.48 and 132,269.76 is: 198,489.54
Step by Step Solution
- Step 1: Write the proportion equation
272,587.68 : 409,056.48 = 132,269.76 : x - Step 2: Convert to fraction form
272,587.68/409,056.48 = 132,269.76/x - Step 3: Cross multiply
272,587.68x = 409,056.48 × 132,269.76 - Step 4: Simplify right side
272,587.68x = 54,105,802,436.04 - Step 5: Solve for x
x = 54,105,802,436.04/272,587.68 - Step 6: Final answer
x = 198,489.54
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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.