Finding the Fourth Proportional to 268,653.24, 402,980.13 and 100,170.99
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Solution
The fourth proportional to 268,653.24, 402,980.13 and 100,170.99 is: 150,256.59
Step by Step Solution
- Step 1: Write the proportion equation
268,653.24 : 402,980.13 = 100,170.99 : x - Step 2: Convert to fraction form
268,653.24/402,980.13 = 100,170.99/x - Step 3: Cross multiply
268,653.24x = 402,980.13 × 100,170.99 - Step 4: Simplify right side
268,653.24x = 40,366,918,572.43 - Step 5: Solve for x
x = 40,366,918,572.43/268,653.24 - Step 6: Final answer
x = 150,256.59
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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.