Finding the Fourth Proportional to 487,766.68, 731,576.19 and 132,808.66
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Solution
The fourth proportional to 487,766.68, 731,576.19 and 132,808.66 is: 199,192.89
Step by Step Solution
- Step 1: Write the proportion equation
487,766.68 : 731,576.19 = 132,808.66 : x - Step 2: Convert to fraction form
487,766.68/731,576.19 = 132,808.66/x - Step 3: Cross multiply
487,766.68x = 731,576.19 × 132,808.66 - Step 4: Simplify right side
487,766.68x = 97,159,653,481.81 - Step 5: Solve for x
x = 97,159,653,481.81/487,766.68 - Step 6: Final answer
x = 199,192.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.