Finding the Fourth Proportional to 284,886.84, 427,393.44 and 107,395.38
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Solution
The fourth proportional to 284,886.84, 427,393.44 and 107,395.38 is: 161,116.89
Step by Step Solution
- Step 1: Write the proportion equation
284,886.84 : 427,393.44 = 107,395.38 : x - Step 2: Convert to fraction form
284,886.84/427,393.44 = 107,395.38/x - Step 3: Cross multiply
284,886.84x = 427,393.44 × 107,395.38 - Step 4: Simplify right side
284,886.84x = 45,900,080,898.31 - Step 5: Solve for x
x = 45,900,080,898.31/284,886.84 - Step 6: Final answer
x = 161,116.89
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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.