Finding the Fourth Proportional to 279,310.95, 416,643.28 and 252,405.99
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Solution
The fourth proportional to 279,310.95, 416,643.28 and 252,405.99 is: 376,509.62
Step by Step Solution
- Step 1: Write the proportion equation
279,310.95 : 416,643.28 = 252,405.99 : x - Step 2: Convert to fraction form
279,310.95/416,643.28 = 252,405.99/x - Step 3: Cross multiply
279,310.95x = 416,643.28 × 252,405.99 - Step 4: Simplify right side
279,310.95x = 105,163,258,934.23 - Step 5: Solve for x
x = 105,163,258,934.23/279,310.95 - Step 6: Final answer
x = 376,509.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.