Finding the Fourth Proportional to 268,878.26, 403,378.08 and 88,963.28
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Solution
The fourth proportional to 268,878.26, 403,378.08 and 88,963.28 is: 133,465.00
Step by Step Solution
- Step 1: Write the proportion equation
268,878.26 : 403,378.08 = 88,963.28 : x - Step 2: Convert to fraction form
268,878.26/403,378.08 = 88,963.28/x - Step 3: Cross multiply
268,878.26x = 403,378.08 × 88,963.28 - Step 4: Simplify right side
268,878.26x = 35,885,837,076.90 - Step 5: Solve for x
x = 35,885,837,076.90/268,878.26 - Step 6: Final answer
x = 133,465.00
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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.