Finding the Fourth Proportional to 331,412.08, 457,618.56 and 270,167.98
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Solution
The fourth proportional to 331,412.08, 457,618.56 and 270,167.98 is: 373,051.83
Step by Step Solution
- Step 1: Write the proportion equation
331,412.08 : 457,618.56 = 270,167.98 : x - Step 2: Convert to fraction form
331,412.08/457,618.56 = 270,167.98/x - Step 3: Cross multiply
331,412.08x = 457,618.56 × 270,167.98 - Step 4: Simplify right side
331,412.08x = 123,633,881,965.71 - Step 5: Solve for x
x = 123,633,881,965.71/331,412.08 - Step 6: Final answer
x = 373,051.83
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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.