Finding the Fourth Proportional to 170,251.81, 234,944.58 and 93,778.06
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Solution
The fourth proportional to 170,251.81, 234,944.58 and 93,778.06 is: 129,412.12
Step by Step Solution
- Step 1: Write the proportion equation
170,251.81 : 234,944.58 = 93,778.06 : x - Step 2: Convert to fraction form
170,251.81/234,944.58 = 93,778.06/x - Step 3: Cross multiply
170,251.81x = 234,944.58 × 93,778.06 - Step 4: Simplify right side
170,251.81x = 22,032,646,919.91 - Step 5: Solve for x
x = 22,032,646,919.91/170,251.81 - Step 6: Final answer
x = 129,412.12
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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.