Finding the Fourth Proportional to 285,349.47, 393,781.50 and 164,490.09
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Solution
The fourth proportional to 285,349.47, 393,781.50 and 164,490.09 is: 226,995.88
Step by Step Solution
- Step 1: Write the proportion equation
285,349.47 : 393,781.50 = 164,490.09 : x - Step 2: Convert to fraction form
285,349.47/393,781.50 = 164,490.09/x - Step 3: Cross multiply
285,349.47x = 393,781.50 × 164,490.09 - Step 4: Simplify right side
285,349.47x = 64,773,154,375.34 - Step 5: Solve for x
x = 64,773,154,375.34/285,349.47 - Step 6: Final answer
x = 226,995.88
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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.