Finding the Fourth Proportional to 358,949.06, 495,352.97 and 197,809.88
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Solution
The fourth proportional to 358,949.06, 495,352.97 and 197,809.88 is: 272,979.43
Step by Step Solution
- Step 1: Write the proportion equation
358,949.06 : 495,352.97 = 197,809.88 : x - Step 2: Convert to fraction form
358,949.06/495,352.97 = 197,809.88/x - Step 3: Cross multiply
358,949.06x = 495,352.97 × 197,809.88 - Step 4: Simplify right side
358,949.06x = 97,985,708,087.53 - Step 5: Solve for x
x = 97,985,708,087.53/358,949.06 - Step 6: Final answer
x = 272,979.43
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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.