Finding the Fourth Proportional to 268,102.68, 402,153.80 and 68,423.10
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Solution
The fourth proportional to 268,102.68, 402,153.80 and 68,423.10 is: 102,634.59
Step by Step Solution
- Step 1: Write the proportion equation
268,102.68 : 402,153.80 = 68,423.10 : x - Step 2: Convert to fraction form
268,102.68/402,153.80 = 68,423.10/x - Step 3: Cross multiply
268,102.68x = 402,153.80 × 68,423.10 - Step 4: Simplify right side
268,102.68x = 27,516,609,330.66 - Step 5: Solve for x
x = 27,516,609,330.66/268,102.68 - Step 6: Final answer
x = 102,634.59
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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.