Finding the Fourth Proportional to 178,444.71, 246,254.91 and 97,872.80
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Solution
The fourth proportional to 178,444.71, 246,254.91 and 97,872.80 is: 135,065.12
Step by Step Solution
- Step 1: Write the proportion equation
178,444.71 : 246,254.91 = 97,872.80 : x - Step 2: Convert to fraction form
178,444.71/246,254.91 = 97,872.80/x - Step 3: Cross multiply
178,444.71x = 246,254.91 × 97,872.80 - Step 4: Simplify right side
178,444.71x = 24,101,656,324.17 - Step 5: Solve for x
x = 24,101,656,324.17/178,444.71 - Step 6: Final answer
x = 135,065.12
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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.