Finding the Fourth Proportional to 272,909.40, 409,364.10 and 183,679.80
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Solution
The fourth proportional to 272,909.40, 409,364.10 and 183,679.80 is: 275,519.70
Step by Step Solution
- Step 1: Write the proportion equation
272,909.40 : 409,364.10 = 183,679.80 : x - Step 2: Convert to fraction form
272,909.40/409,364.10 = 183,679.80/x - Step 3: Cross multiply
272,909.40x = 409,364.10 × 183,679.80 - Step 4: Simplify right side
272,909.40x = 75,191,916,015.18 - Step 5: Solve for x
x = 75,191,916,015.18/272,909.40 - Step 6: Final answer
x = 275,519.70
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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.