Finding the Fourth Proportional to 268,756.05, 403,134.91 and 66,352.18
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Solution
The fourth proportional to 268,756.05, 403,134.91 and 66,352.18 is: 99,528.48
Step by Step Solution
- Step 1: Write the proportion equation
268,756.05 : 403,134.91 = 66,352.18 : x - Step 2: Convert to fraction form
268,756.05/403,134.91 = 66,352.18/x - Step 3: Cross multiply
268,756.05x = 403,134.91 × 66,352.18 - Step 4: Simplify right side
268,756.05x = 26,748,880,112.60 - Step 5: Solve for x
x = 26,748,880,112.60/268,756.05 - Step 6: Final answer
x = 99,528.48
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1.5x scale
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.