Finding the Fourth Proportional to 455,757.30, 683,635.95 and 156,197.70
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Solution
The fourth proportional to 455,757.30, 683,635.95 and 156,197.70 is: 234,296.55
Step by Step Solution
- Step 1: Write the proportion equation
455,757.30 : 683,635.95 = 156,197.70 : x - Step 2: Convert to fraction form
455,757.30/683,635.95 = 156,197.70/x - Step 3: Cross multiply
455,757.30x = 683,635.95 × 156,197.70 - Step 4: Simplify right side
455,757.30x = 106,782,363,027.32 - Step 5: Solve for x
x = 106,782,363,027.32/455,757.30 - Step 6: Final answer
x = 234,296.55
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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.