Finding the Fourth Proportional to 341,715.74, 471,487.92 and 198,389.48
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Solution
The fourth proportional to 341,715.74, 471,487.92 and 198,389.48 is: 273,731.15
Step by Step Solution
- Step 1: Write the proportion equation
341,715.74 : 471,487.92 = 198,389.48 : x - Step 2: Convert to fraction form
341,715.74/471,487.92 = 198,389.48/x - Step 3: Cross multiply
341,715.74x = 471,487.92 × 198,389.48 - Step 4: Simplify right side
341,715.74x = 93,538,243,275.08 - Step 5: Solve for x
x = 93,538,243,275.08/341,715.74 - Step 6: Final answer
x = 273,731.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.