Finding the Fourth Proportional to 257,207.56, 385,837.06 and 88,705.70
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Solution
The fourth proportional to 257,207.56, 385,837.06 and 88,705.70 is: 133,067.42
Step by Step Solution
- Step 1: Write the proportion equation
257,207.56 : 385,837.06 = 88,705.70 : x - Step 2: Convert to fraction form
257,207.56/385,837.06 = 88,705.70/x - Step 3: Cross multiply
257,207.56x = 385,837.06 × 88,705.70 - Step 4: Simplify right side
257,207.56x = 34,225,946,493.24 - Step 5: Solve for x
x = 34,225,946,493.24/257,207.56 - Step 6: Final answer
x = 133,067.42
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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.