Finding the Fourth Proportional to 254,381.91, 351,029.48 and 141,195.75
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Solution
The fourth proportional to 254,381.91, 351,029.48 and 141,195.75 is: 194,840.39
Step by Step Solution
- Step 1: Write the proportion equation
254,381.91 : 351,029.48 = 141,195.75 : x - Step 2: Convert to fraction form
254,381.91/351,029.48 = 141,195.75/x - Step 3: Cross multiply
254,381.91x = 351,029.48 × 141,195.75 - Step 4: Simplify right side
254,381.91x = 49,563,869,994.73 - Step 5: Solve for x
x = 49,563,869,994.73/254,381.91 - Step 6: Final answer
x = 194,840.39
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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.