Finding the Fourth Proportional to 254,403.24, 381,612.96 and 127,974.42
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Solution
The fourth proportional to 254,403.24, 381,612.96 and 127,974.42 is: 191,965.70
Step by Step Solution
- Step 1: Write the proportion equation
254,403.24 : 381,612.96 = 127,974.42 : x - Step 2: Convert to fraction form
254,403.24/381,612.96 = 127,974.42/x - Step 3: Cross multiply
254,403.24x = 381,612.96 × 127,974.42 - Step 4: Simplify right side
254,403.24x = 48,836,697,220.48 - Step 5: Solve for x
x = 48,836,697,220.48/254,403.24 - Step 6: Final answer
x = 191,965.70
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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.