Finding the Fourth Proportional to 212,204.08, 318,306.16 and 54,432.52
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Solution
The fourth proportional to 212,204.08, 318,306.16 and 54,432.52 is: 81,648.79
Step by Step Solution
- Step 1: Write the proportion equation
212,204.08 : 318,306.16 = 54,432.52 : x - Step 2: Convert to fraction form
212,204.08/318,306.16 = 54,432.52/x - Step 3: Cross multiply
212,204.08x = 318,306.16 × 54,432.52 - Step 4: Simplify right side
212,204.08x = 17,326,206,420.32 - Step 5: Solve for x
x = 17,326,206,420.32/212,204.08 - Step 6: Final answer
x = 81,648.79
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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.