Finding the Fourth Proportional to 311,310.15, 466,965.36 and 240,336.41
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Solution
The fourth proportional to 311,310.15, 466,965.36 and 240,336.41 is: 360,504.71
Step by Step Solution
- Step 1: Write the proportion equation
311,310.15 : 466,965.36 = 240,336.41 : x - Step 2: Convert to fraction form
311,310.15/466,965.36 = 240,336.41/x - Step 3: Cross multiply
311,310.15x = 466,965.36 × 240,336.41 - Step 4: Simplify right side
311,310.15x = 112,228,775,881.93 - Step 5: Solve for x
x = 112,228,775,881.93/311,310.15 - Step 6: Final answer
x = 360,504.71
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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.