Finding the Fourth Proportional to 434,711.52, 652,161.12 and 135,186.24
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Solution
The fourth proportional to 434,711.52, 652,161.12 and 135,186.24 is: 202,808.54
Step by Step Solution
- Step 1: Write the proportion equation
434,711.52 : 652,161.12 = 135,186.24 : x - Step 2: Convert to fraction form
434,711.52/652,161.12 = 135,186.24/x - Step 3: Cross multiply
434,711.52x = 652,161.12 × 135,186.24 - Step 4: Simplify right side
434,711.52x = 88,163,209,686.99 - Step 5: Solve for x
x = 88,163,209,686.99/434,711.52 - Step 6: Final answer
x = 202,808.54
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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.