Finding the Fourth Proportional to 202,522.68, 279,357.66 and 142,005.96
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Solution
The fourth proportional to 202,522.68, 279,357.66 and 142,005.96 is: 195,881.53
Step by Step Solution
- Step 1: Write the proportion equation
202,522.68 : 279,357.66 = 142,005.96 : x - Step 2: Convert to fraction form
202,522.68/279,357.66 = 142,005.96/x - Step 3: Cross multiply
202,522.68x = 279,357.66 × 142,005.96 - Step 4: Simplify right side
202,522.68x = 39,670,452,691.65 - Step 5: Solve for x
x = 39,670,452,691.65/202,522.68 - Step 6: Final answer
x = 195,881.53
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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.