Finding the Fourth Proportional to 487,926.48, 731,815.74 and 132,968.82
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Solution
The fourth proportional to 487,926.48, 731,815.74 and 132,968.82 is: 199,433.07
Step by Step Solution
- Step 1: Write the proportion equation
487,926.48 : 731,815.74 = 132,968.82 : x - Step 2: Convert to fraction form
487,926.48/731,815.74 = 132,968.82/x - Step 3: Cross multiply
487,926.48x = 731,815.74 × 132,968.82 - Step 4: Simplify right side
487,926.48x = 97,308,675,405.23 - Step 5: Solve for x
x = 97,308,675,405.23/487,926.48 - Step 6: Final answer
x = 199,433.07
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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.