Finding the Fourth Proportional to 199,489.40, 299,234.10 and 183,159.80
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Solution
The fourth proportional to 199,489.40, 299,234.10 and 183,159.80 is: 274,739.70
Step by Step Solution
- Step 1: Write the proportion equation
199,489.40 : 299,234.10 = 183,159.80 : x - Step 2: Convert to fraction form
199,489.40/299,234.10 = 183,159.80/x - Step 3: Cross multiply
199,489.40x = 299,234.10 × 183,159.80 - Step 4: Simplify right side
199,489.40x = 54,807,657,909.18 - Step 5: Solve for x
x = 54,807,657,909.18/199,489.40 - Step 6: Final answer
x = 274,739.70
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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.