Finding the Fourth Proportional to 358,917.30, 495,327.62 and 197,772.17
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Solution
The fourth proportional to 358,917.30, 495,327.62 and 197,772.17 is: 272,937.57
Step by Step Solution
- Step 1: Write the proportion equation
358,917.30 : 495,327.62 = 197,772.17 : x - Step 2: Convert to fraction form
358,917.30/495,327.62 = 197,772.17/x - Step 3: Cross multiply
358,917.30x = 495,327.62 × 197,772.17 - Step 4: Simplify right side
358,917.30x = 97,962,016,286.13 - Step 5: Solve for x
x = 97,962,016,286.13/358,917.30 - Step 6: Final answer
x = 272,937.57
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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.