Finding the Fourth Proportional to 257,055.18, 385,508.73 and 88,568.70
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Solution
The fourth proportional to 257,055.18, 385,508.73 and 88,568.70 is: 132,827.54
Step by Step Solution
- Step 1: Write the proportion equation
257,055.18 : 385,508.73 = 88,568.70 : x - Step 2: Convert to fraction form
257,055.18/385,508.73 = 88,568.70/x - Step 3: Cross multiply
257,055.18x = 385,508.73 × 88,568.70 - Step 4: Simplify right side
257,055.18x = 34,144,007,054.75 - Step 5: Solve for x
x = 34,144,007,054.75/257,055.18 - Step 6: Final answer
x = 132,827.54
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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.