Finding the Fourth Proportional to 330,884.19, 456,487.65 and 194,702.13
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Solution
The fourth proportional to 330,884.19, 456,487.65 and 194,702.13 is: 268,610.95
Step by Step Solution
- Step 1: Write the proportion equation
330,884.19 : 456,487.65 = 194,702.13 : x - Step 2: Convert to fraction form
330,884.19/456,487.65 = 194,702.13/x - Step 3: Cross multiply
330,884.19x = 456,487.65 × 194,702.13 - Step 4: Simplify right side
330,884.19x = 88,879,117,773.69 - Step 5: Solve for x
x = 88,879,117,773.69/330,884.19 - Step 6: Final answer
x = 268,610.95
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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.