Finding the Fourth Proportional to 358,711.31, 495,044.08 and 197,566.31
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Solution
The fourth proportional to 358,711.31, 495,044.08 and 197,566.31 is: 272,653.88
Step by Step Solution
- Step 1: Write the proportion equation
358,711.31 : 495,044.08 = 197,566.31 : x - Step 2: Convert to fraction form
358,711.31/495,044.08 = 197,566.31/x - Step 3: Cross multiply
358,711.31x = 495,044.08 × 197,566.31 - Step 4: Simplify right side
358,711.31x = 97,804,032,916.64 - Step 5: Solve for x
x = 97,804,032,916.64/358,711.31 - Step 6: Final answer
x = 272,653.88
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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.