Finding the Fourth Proportional to 178,161.62, 245,853.50 and 97,573.91
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Solution
The fourth proportional to 178,161.62, 245,853.50 and 97,573.91 is: 134,646.77
Step by Step Solution
- Step 1: Write the proportion equation
178,161.62 : 245,853.50 = 97,573.91 : x - Step 2: Convert to fraction form
178,161.62/245,853.50 = 97,573.91/x - Step 3: Cross multiply
178,161.62x = 245,853.50 × 97,573.91 - Step 4: Simplify right side
178,161.62x = 23,988,885,565.05 - Step 5: Solve for x
x = 23,988,885,565.05/178,161.62 - Step 6: Final answer
x = 134,646.77
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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.