Finding the Fourth Proportional to 212,658.20, 318,987.84 and 62,901.08
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Solution
The fourth proportional to 212,658.20, 318,987.84 and 62,901.08 is: 94,351.78
Step by Step Solution
- Step 1: Write the proportion equation
212,658.20 : 318,987.84 = 62,901.08 : x - Step 2: Convert to fraction form
212,658.20/318,987.84 = 62,901.08/x - Step 3: Cross multiply
212,658.20x = 318,987.84 × 62,901.08 - Step 4: Simplify right side
212,658.20x = 20,064,679,642.87 - Step 5: Solve for x
x = 20,064,679,642.87/212,658.20 - Step 6: Final answer
x = 94,351.78
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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.