Finding the Fourth Proportional to 268,528.10, 402,792.12 and 127,860.26
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Solution
The fourth proportional to 268,528.10, 402,792.12 and 127,860.26 is: 191,790.37
Step by Step Solution
- Step 1: Write the proportion equation
268,528.10 : 402,792.12 = 127,860.26 : x - Step 2: Convert to fraction form
268,528.10/402,792.12 = 127,860.26/x - Step 3: Cross multiply
268,528.10x = 402,792.12 × 127,860.26 - Step 4: Simplify right side
268,528.10x = 51,501,103,175.19 - Step 5: Solve for x
x = 51,501,103,175.19/268,528.10 - Step 6: Final answer
x = 191,790.37
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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.