Finding the Fourth Proportional to 268,880.96, 403,570.67 and 135,854.71
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Solution
The fourth proportional to 268,880.96, 403,570.67 and 135,854.71 is: 203,907.99
Step by Step Solution
- Step 1: Write the proportion equation
268,880.96 : 403,570.67 = 135,854.71 : x - Step 2: Convert to fraction form
268,880.96/403,570.67 = 135,854.71/x - Step 3: Cross multiply
268,880.96x = 403,570.67 × 135,854.71 - Step 4: Simplify right side
268,880.96x = 54,826,976,337.36 - Step 5: Solve for x
x = 54,826,976,337.36/268,880.96 - Step 6: Final answer
x = 203,907.99
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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.