Finding the Fourth Proportional to 345,989.69, 477,454.95 and 202,845.08
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Solution
The fourth proportional to 345,989.69, 477,454.95 and 202,845.08 is: 279,919.86
Step by Step Solution
- Step 1: Write the proportion equation
345,989.69 : 477,454.95 = 202,845.08 : x - Step 2: Convert to fraction form
345,989.69/477,454.95 = 202,845.08/x - Step 3: Cross multiply
345,989.69x = 477,454.95 × 202,845.08 - Step 4: Simplify right side
345,989.69x = 96,849,385,141.87 - Step 5: Solve for x
x = 96,849,385,141.87/345,989.69 - Step 6: Final answer
x = 279,919.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.