Finding the Fourth Proportional to 198,641.80, 297,962.70 and 163,649.80
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Solution
The fourth proportional to 198,641.80, 297,962.70 and 163,649.80 is: 245,474.70
Step by Step Solution
- Step 1: Write the proportion equation
198,641.80 : 297,962.70 = 163,649.80 : x - Step 2: Convert to fraction form
198,641.80/297,962.70 = 163,649.80/x - Step 3: Cross multiply
198,641.80x = 297,962.70 × 163,649.80 - Step 4: Simplify right side
198,641.80x = 48,761,536,262.46 - Step 5: Solve for x
x = 48,761,536,262.46/198,641.80 - Step 6: Final answer
x = 245,474.70
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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.