Finding the Fourth Proportional to 202,699.42, 304,098.68 and 142,844.65
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Solution
The fourth proportional to 202,699.42, 304,098.68 and 142,844.65 is: 214,301.89
Step by Step Solution
- Step 1: Write the proportion equation
202,699.42 : 304,098.68 = 142,844.65 : x - Step 2: Convert to fraction form
202,699.42/304,098.68 = 142,844.65/x - Step 3: Cross multiply
202,699.42x = 304,098.68 × 142,844.65 - Step 4: Simplify right side
202,699.42x = 43,438,869,510.06 - Step 5: Solve for x
x = 43,438,869,510.06/202,699.42 - Step 6: Final answer
x = 214,301.89
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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.