Finding the Fourth Proportional to 197,702.20, 296,553.30 and 97,877.80
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Solution
The fourth proportional to 197,702.20, 296,553.30 and 97,877.80 is: 146,816.70
Step by Step Solution
- Step 1: Write the proportion equation
197,702.20 : 296,553.30 = 97,877.80 : x - Step 2: Convert to fraction form
197,702.20/296,553.30 = 97,877.80/x - Step 3: Cross multiply
197,702.20x = 296,553.30 × 97,877.80 - Step 4: Simplify right side
197,702.20x = 29,025,984,586.74 - Step 5: Solve for x
x = 29,025,984,586.74/197,702.20 - Step 6: Final answer
x = 146,816.70
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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.