Finding the Fourth Proportional to 355,358.10, 533,037.15 and 326,327.70
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Solution
The fourth proportional to 355,358.10, 533,037.15 and 326,327.70 is: 489,491.55
Step by Step Solution
- Step 1: Write the proportion equation
355,358.10 : 533,037.15 = 326,327.70 : x - Step 2: Convert to fraction form
355,358.10/533,037.15 = 326,327.70/x - Step 3: Cross multiply
355,358.10x = 533,037.15 × 326,327.70 - Step 4: Simplify right side
355,358.10x = 173,944,787,174.06 - Step 5: Solve for x
x = 173,944,787,174.06/355,358.10 - Step 6: Final answer
x = 489,491.55
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Similar ratio
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1.5x scale
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.