Finding the Fourth Proportional to 235,864.80, 325,472.04 and 140,356.08
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Solution
The fourth proportional to 235,864.80, 325,472.04 and 140,356.08 is: 193,678.67
Step by Step Solution
- Step 1: Write the proportion equation
235,864.80 : 325,472.04 = 140,356.08 : x - Step 2: Convert to fraction form
235,864.80/325,472.04 = 140,356.08/x - Step 3: Cross multiply
235,864.80x = 325,472.04 × 140,356.08 - Step 4: Simplify right side
235,864.80x = 45,681,979,684.00 - Step 5: Solve for x
x = 45,681,979,684.00/235,864.80 - Step 6: Final answer
x = 193,678.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.