Finding the Fourth Proportional to 295,649.28, 408,068.92 and 168,400.08
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Solution
The fourth proportional to 295,649.28, 408,068.92 and 168,400.08 is: 232,433.64
Step by Step Solution
- Step 1: Write the proportion equation
295,649.28 : 408,068.92 = 168,400.08 : x - Step 2: Convert to fraction form
295,649.28/408,068.92 = 168,400.08/x - Step 3: Cross multiply
295,649.28x = 408,068.92 × 168,400.08 - Step 4: Simplify right side
295,649.28x = 68,718,838,773.51 - Step 5: Solve for x
x = 68,718,838,773.51/295,649.28 - Step 6: Final answer
x = 232,433.64
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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.