Finding the Fourth Proportional to 147,282.68, 203,242.86 and 83,612.12
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Solution
The fourth proportional to 147,282.68, 203,242.86 and 83,612.12 is: 115,380.62
Step by Step Solution
- Step 1: Write the proportion equation
147,282.68 : 203,242.86 = 83,612.12 : x - Step 2: Convert to fraction form
147,282.68/203,242.86 = 83,612.12/x - Step 3: Cross multiply
147,282.68x = 203,242.86 × 83,612.12 - Step 4: Simplify right side
147,282.68x = 16,993,566,399.46 - Step 5: Solve for x
x = 16,993,566,399.46/147,282.68 - Step 6: Final answer
x = 115,380.62
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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.