Finding the Fourth Proportional to 178,428.05, 246,218.45 and 97,853.81
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Solution
The fourth proportional to 178,428.05, 246,218.45 and 97,853.81 is: 135,031.53
Step by Step Solution
- Step 1: Write the proportion equation
178,428.05 : 246,218.45 = 97,853.81 : x - Step 2: Convert to fraction form
178,428.05/246,218.45 = 97,853.81/x - Step 3: Cross multiply
178,428.05x = 246,218.45 × 97,853.81 - Step 4: Simplify right side
178,428.05x = 24,093,413,424.79 - Step 5: Solve for x
x = 24,093,413,424.79/178,428.05 - Step 6: Final answer
x = 135,031.53
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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.