Finding the Fourth Proportional to 356,115.64, 491,437.98 and 192,772.28
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Solution
The fourth proportional to 356,115.64, 491,437.98 and 192,772.28 is: 266,024.88
Step by Step Solution
- Step 1: Write the proportion equation
356,115.64 : 491,437.98 = 192,772.28 : x - Step 2: Convert to fraction form
356,115.64/491,437.98 = 192,772.28/x - Step 3: Cross multiply
356,115.64x = 491,437.98 × 192,772.28 - Step 4: Simplify right side
356,115.64x = 94,735,619,883.19 - Step 5: Solve for x
x = 94,735,619,883.19/356,115.64 - Step 6: Final answer
x = 266,024.88
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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.