Finding the Fourth Proportional to 230,876.19, 318,741.75 and 175,997.61
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Solution
The fourth proportional to 230,876.19, 318,741.75 and 175,997.61 is: 242,977.79
Step by Step Solution
- Step 1: Write the proportion equation
230,876.19 : 318,741.75 = 175,997.61 : x - Step 2: Convert to fraction form
230,876.19/318,741.75 = 175,997.61/x - Step 3: Cross multiply
230,876.19x = 318,741.75 × 175,997.61 - Step 4: Simplify right side
230,876.19x = 56,097,786,207.22 - Step 5: Solve for x
x = 56,097,786,207.22/230,876.19 - Step 6: Final answer
x = 242,977.79
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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.