Finding the Fourth Proportional to 209,702.08, 314,476.57 and 76,542.94
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Solution
The fourth proportional to 209,702.08, 314,476.57 and 76,542.94 is: 114,786.47
Step by Step Solution
- Step 1: Write the proportion equation
209,702.08 : 314,476.57 = 76,542.94 : x - Step 2: Convert to fraction form
209,702.08/314,476.57 = 76,542.94/x - Step 3: Cross multiply
209,702.08x = 314,476.57 × 76,542.94 - Step 4: Simplify right side
209,702.08x = 24,070,961,228.92 - Step 5: Solve for x
x = 24,070,961,228.92/209,702.08 - Step 6: Final answer
x = 114,786.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.