Finding the Fourth Proportional to 358,946.21, 495,344.75 and 197,801.22
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Solution
The fourth proportional to 358,946.21, 495,344.75 and 197,801.22 is: 272,965.12
Step by Step Solution
- Step 1: Write the proportion equation
358,946.21 : 495,344.75 = 197,801.22 : x - Step 2: Convert to fraction form
358,946.21/495,344.75 = 197,801.22/x - Step 3: Cross multiply
358,946.21x = 495,344.75 × 197,801.22 - Step 4: Simplify right side
358,946.21x = 97,979,796,739.13 - Step 5: Solve for x
x = 97,979,796,739.13/358,946.21 - Step 6: Final answer
x = 272,965.12
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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.