Finding the Fourth Proportional to 486,702.95, 671,646.11 and 268,910.94
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Solution
The fourth proportional to 486,702.95, 671,646.11 and 268,910.94 is: 371,094.91
Step by Step Solution
- Step 1: Write the proportion equation
486,702.95 : 671,646.11 = 268,910.94 : x - Step 2: Convert to fraction form
486,702.95/671,646.11 = 268,910.94/x - Step 3: Cross multiply
486,702.95x = 671,646.11 × 268,910.94 - Step 4: Simplify right side
486,702.95x = 180,612,986,787.44 - Step 5: Solve for x
x = 180,612,986,787.44/486,702.95 - Step 6: Final answer
x = 371,094.91
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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.