Finding the Fourth Proportional to 236,125.14, 325,859.52 and 128,702.13
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Solution
The fourth proportional to 236,125.14, 325,859.52 and 128,702.13 is: 177,612.66
Step by Step Solution
- Step 1: Write the proportion equation
236,125.14 : 325,859.52 = 128,702.13 : x - Step 2: Convert to fraction form
236,125.14/325,859.52 = 128,702.13/x - Step 3: Cross multiply
236,125.14x = 325,859.52 × 128,702.13 - Step 4: Simplify right side
236,125.14x = 41,938,814,304.78 - Step 5: Solve for x
x = 41,938,814,304.78/236,125.14 - Step 6: Final answer
x = 177,612.66
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1.5x scale
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.