Finding the Fourth Proportional to 257,014.68, 385,547.82 and 88,512.80
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Solution
The fourth proportional to 257,014.68, 385,547.82 and 88,512.80 is: 132,778.09
Step by Step Solution
- Step 1: Write the proportion equation
257,014.68 : 385,547.82 = 88,512.80 : x - Step 2: Convert to fraction form
257,014.68/385,547.82 = 88,512.80/x - Step 3: Cross multiply
257,014.68x = 385,547.82 × 88,512.80 - Step 4: Simplify right side
257,014.68x = 34,125,917,082.10 - Step 5: Solve for x
x = 34,125,917,082.10/257,014.68 - Step 6: Final answer
x = 132,778.09
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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.