Finding the Fourth Proportional to 68,314.04, 102,463.36 and 18,397.79
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Solution
The fourth proportional to 68,314.04, 102,463.36 and 18,397.79 is: 27,594.60
Step by Step Solution
- Step 1: Write the proportion equation
68,314.04 : 102,463.36 = 18,397.79 : x - Step 2: Convert to fraction form
68,314.04/102,463.36 = 18,397.79/x - Step 3: Cross multiply
68,314.04x = 102,463.36 × 18,397.79 - Step 4: Simplify right side
68,314.04x = 1,885,098,775.67 - Step 5: Solve for x
x = 1,885,098,775.67/68,314.04 - Step 6: Final answer
x = 27,594.60
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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.