Finding the Fourth Proportional to 212,438.96, 318,548.66 and 62,660.18
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Solution
The fourth proportional to 212,438.96, 318,548.66 and 62,660.18 is: 93,957.89
Step by Step Solution
- Step 1: Write the proportion equation
212,438.96 : 318,548.66 = 62,660.18 : x - Step 2: Convert to fraction form
212,438.96/318,548.66 = 62,660.18/x - Step 3: Cross multiply
212,438.96x = 318,548.66 × 62,660.18 - Step 4: Simplify right side
212,438.96x = 19,960,316,374.36 - Step 5: Solve for x
x = 19,960,316,374.36/212,438.96 - Step 6: Final answer
x = 93,957.89
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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.