Finding the Fourth Proportional to 416,437.64, 574,684.16 and 225,451.08
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Solution
The fourth proportional to 416,437.64, 574,684.16 and 225,451.08 is: 311,122.61
Step by Step Solution
- Step 1: Write the proportion equation
416,437.64 : 574,684.16 = 225,451.08 : x - Step 2: Convert to fraction form
416,437.64/574,684.16 = 225,451.08/x - Step 3: Cross multiply
416,437.64x = 574,684.16 × 225,451.08 - Step 4: Simplify right side
416,437.64x = 129,563,164,530.89 - Step 5: Solve for x
x = 129,563,164,530.89/416,437.64 - Step 6: Final answer
x = 311,122.61
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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.