Finding the Fourth Proportional to 358,686.60, 495,000.16 and 197,553.88
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Solution
The fourth proportional to 358,686.60, 495,000.16 and 197,553.88 is: 272,631.32
Step by Step Solution
- Step 1: Write the proportion equation
358,686.60 : 495,000.16 = 197,553.88 : x - Step 2: Convert to fraction form
358,686.60/495,000.16 = 197,553.88/x - Step 3: Cross multiply
358,686.60x = 495,000.16 × 197,553.88 - Step 4: Simplify right side
358,686.60x = 97,789,202,208.62 - Step 5: Solve for x
x = 97,789,202,208.62/358,686.60 - Step 6: Final answer
x = 272,631.32
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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.