Finding the Fourth Proportional to 236,077.14, 325,836.75 and 155,511.70
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Solution
The fourth proportional to 236,077.14, 325,836.75 and 155,511.70 is: 214,639.28
Step by Step Solution
- Step 1: Write the proportion equation
236,077.14 : 325,836.75 = 155,511.70 : x - Step 2: Convert to fraction form
236,077.14/325,836.75 = 155,511.70/x - Step 3: Cross multiply
236,077.14x = 325,836.75 × 155,511.70 - Step 4: Simplify right side
236,077.14x = 50,671,426,914.98 - Step 5: Solve for x
x = 50,671,426,914.98/236,077.14 - Step 6: Final answer
x = 214,639.28
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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.