Finding the Fourth Proportional to 134,839.40, 202,259.10 and 133,089.80
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Solution
The fourth proportional to 134,839.40, 202,259.10 and 133,089.80 is: 199,634.70
Step by Step Solution
- Step 1: Write the proportion equation
134,839.40 : 202,259.10 = 133,089.80 : x - Step 2: Convert to fraction form
134,839.40/202,259.10 = 133,089.80/x - Step 3: Cross multiply
134,839.40x = 202,259.10 × 133,089.80 - Step 4: Simplify right side
134,839.40x = 26,918,623,167.18 - Step 5: Solve for x
x = 26,918,623,167.18/134,839.40 - Step 6: Final answer
x = 199,634.70
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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.