Finding the Fourth Proportional to 255,612.97, 352,772.14 and 153,671.63
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Solution
The fourth proportional to 255,612.97, 352,772.14 and 153,671.63 is: 212,082.63
Step by Step Solution
- Step 1: Write the proportion equation
255,612.97 : 352,772.14 = 153,671.63 : x - Step 2: Convert to fraction form
255,612.97/352,772.14 = 153,671.63/x - Step 3: Cross multiply
255,612.97x = 352,772.14 × 153,671.63 - Step 4: Simplify right side
255,612.97x = 54,211,069,464.62 - Step 5: Solve for x
x = 54,211,069,464.62/255,612.97 - Step 6: Final answer
x = 212,082.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.