Finding the Fourth Proportional to 434,531.80, 651,797.70 and 268,643.80
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Solution
The fourth proportional to 434,531.80, 651,797.70 and 268,643.80 is: 402,965.70
Step by Step Solution
- Step 1: Write the proportion equation
434,531.80 : 651,797.70 = 268,643.80 : x - Step 2: Convert to fraction form
434,531.80/651,797.70 = 268,643.80/x - Step 3: Cross multiply
434,531.80x = 651,797.70 × 268,643.80 - Step 4: Simplify right side
434,531.80x = 175,101,410,959.26 - Step 5: Solve for x
x = 175,101,410,959.26/434,531.80 - Step 6: Final answer
x = 402,965.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.