Finding the Fourth Proportional to 268,316.88, 402,489.10 and 68,639.00
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Solution
The fourth proportional to 268,316.88, 402,489.10 and 68,639.00 is: 102,962.02
Step by Step Solution
- Step 1: Write the proportion equation
268,316.88 : 402,489.10 = 68,639.00 : x - Step 2: Convert to fraction form
268,316.88/402,489.10 = 68,639.00/x - Step 3: Cross multiply
268,316.88x = 402,489.10 × 68,639.00 - Step 4: Simplify right side
268,316.88x = 27,626,447,408.25 - Step 5: Solve for x
x = 27,626,447,408.25/268,316.88 - Step 6: Final answer
x = 102,962.02
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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.