Finding the Fourth Proportional to 358,709.92, 495,042.16 and 197,564.94
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Solution
The fourth proportional to 358,709.92, 495,042.16 and 197,564.94 is: 272,651.99
Step by Step Solution
- Step 1: Write the proportion equation
358,709.92 : 495,042.16 = 197,564.94 : x - Step 2: Convert to fraction form
358,709.92/495,042.16 = 197,564.94/x - Step 3: Cross multiply
358,709.92x = 495,042.16 × 197,564.94 - Step 4: Simplify right side
358,709.92x = 97,802,974,637.87 - Step 5: Solve for x
x = 97,802,974,637.87/358,709.92 - Step 6: Final answer
x = 272,651.99
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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.