Finding the Fourth Proportional to 298,769.18, 448,223.68 and 118,864.78
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Solution
The fourth proportional to 298,769.18, 448,223.68 and 118,864.78 is: 178,324.99
Step by Step Solution
- Step 1: Write the proportion equation
298,769.18 : 448,223.68 = 118,864.78 : x - Step 2: Convert to fraction form
298,769.18/448,223.68 = 118,864.78/x - Step 3: Cross multiply
298,769.18x = 448,223.68 × 118,864.78 - Step 4: Simplify right side
298,769.18x = 53,278,010,997.58 - Step 5: Solve for x
x = 53,278,010,997.58/298,769.18 - Step 6: Final answer
x = 178,324.99
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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.