Finding the Fourth Proportional to 102,209.85, 153,302.69 and 27,335.79
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Solution
The fourth proportional to 102,209.85, 153,302.69 and 27,335.79 is: 41,000.45
Step by Step Solution
- Step 1: Write the proportion equation
102,209.85 : 153,302.69 = 27,335.79 : x - Step 2: Convert to fraction form
102,209.85/153,302.69 = 27,335.79/x - Step 3: Cross multiply
102,209.85x = 153,302.69 × 27,335.79 - Step 4: Simplify right side
102,209.85x = 4,190,650,140.28 - Step 5: Solve for x
x = 4,190,650,140.28/102,209.85 - Step 6: Final answer
x = 41,000.45
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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.