Finding the Fourth Proportional to 141,810.08, 212,797.80 and 53,125.88
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Solution
The fourth proportional to 141,810.08, 212,797.80 and 53,125.88 is: 79,719.79
Step by Step Solution
- Step 1: Write the proportion equation
141,810.08 : 212,797.80 = 53,125.88 : x - Step 2: Convert to fraction form
141,810.08/212,797.80 = 53,125.88/x - Step 3: Cross multiply
141,810.08x = 212,797.80 × 53,125.88 - Step 4: Simplify right side
141,810.08x = 11,305,070,387.06 - Step 5: Solve for x
x = 11,305,070,387.06/141,810.08 - Step 6: Final answer
x = 79,719.79
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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.