Finding the Fourth Proportional to 214,987.44, 296,660.40 and 134,423.84
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Solution
The fourth proportional to 214,987.44, 296,660.40 and 134,423.84 is: 185,490.98
Step by Step Solution
- Step 1: Write the proportion equation
214,987.44 : 296,660.40 = 134,423.84 : x - Step 2: Convert to fraction form
214,987.44/296,660.40 = 134,423.84/x - Step 3: Cross multiply
214,987.44x = 296,660.40 × 134,423.84 - Step 4: Simplify right side
214,987.44x = 39,878,230,143.94 - Step 5: Solve for x
x = 39,878,230,143.94/214,987.44 - Step 6: Final answer
x = 185,490.98
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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.