Finding the Fourth Proportional to 355,267.40, 532,901.10 and 353,193.80
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Solution
The fourth proportional to 355,267.40, 532,901.10 and 353,193.80 is: 529,790.70
Step by Step Solution
- Step 1: Write the proportion equation
355,267.40 : 532,901.10 = 353,193.80 : x - Step 2: Convert to fraction form
355,267.40/532,901.10 = 353,193.80/x - Step 3: Cross multiply
355,267.40x = 532,901.10 × 353,193.80 - Step 4: Simplify right side
355,267.40x = 188,217,364,533.18 - Step 5: Solve for x
x = 188,217,364,533.18/355,267.40 - Step 6: Final answer
x = 529,790.70
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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.