Finding the Fourth Proportional to 286,875.96, 395,902.84 and 159,548.82
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Solution
The fourth proportional to 286,875.96, 395,902.84 and 159,548.82 is: 220,185.17
Step by Step Solution
- Step 1: Write the proportion equation
286,875.96 : 395,902.84 = 159,548.82 : x - Step 2: Convert to fraction form
286,875.96/395,902.84 = 159,548.82/x - Step 3: Cross multiply
286,875.96x = 395,902.84 × 159,548.82 - Step 4: Simplify right side
286,875.96x = 63,165,830,956.65 - Step 5: Solve for x
x = 63,165,830,956.65/286,875.96 - Step 6: Final answer
x = 220,185.17
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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.