Finding the Fourth Proportional to 183,417.40, 275,126.10 and 120,431.80
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Solution
The fourth proportional to 183,417.40, 275,126.10 and 120,431.80 is: 180,647.70
Step by Step Solution
- Step 1: Write the proportion equation
183,417.40 : 275,126.10 = 120,431.80 : x - Step 2: Convert to fraction form
183,417.40/275,126.10 = 120,431.80/x - Step 3: Cross multiply
183,417.40x = 275,126.10 × 120,431.80 - Step 4: Simplify right side
183,417.40x = 33,133,931,449.98 - Step 5: Solve for x
x = 33,133,931,449.98/183,417.40 - Step 6: Final answer
x = 180,647.70
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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.