Finding the Fourth Proportional to 160,921.80, 241,382.70 and 67,417.80
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Solution
The fourth proportional to 160,921.80, 241,382.70 and 67,417.80 is: 101,126.70
Step by Step Solution
- Step 1: Write the proportion equation
160,921.80 : 241,382.70 = 67,417.80 : x - Step 2: Convert to fraction form
160,921.80/241,382.70 = 67,417.80/x - Step 3: Cross multiply
160,921.80x = 241,382.70 × 67,417.80 - Step 4: Simplify right side
160,921.80x = 16,273,490,592.06 - Step 5: Solve for x
x = 16,273,490,592.06/160,921.80 - Step 6: Final answer
x = 101,126.70
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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.