Finding the Fourth Proportional to 309,877.73, 465,013.23 and 132,386.08
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Solution
The fourth proportional to 309,877.73, 465,013.23 and 132,386.08 is: 198,663.12
Step by Step Solution
- Step 1: Write the proportion equation
309,877.73 : 465,013.23 = 132,386.08 : x - Step 2: Convert to fraction form
309,877.73/465,013.23 = 132,386.08/x - Step 3: Cross multiply
309,877.73x = 465,013.23 × 132,386.08 - Step 4: Simplify right side
309,877.73x = 61,561,278,253.09 - Step 5: Solve for x
x = 61,561,278,253.09/309,877.73 - Step 6: Final answer
x = 198,663.12
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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.