Finding the Fourth Proportional to 155,412.84, 214,468.74 and 88,344.84
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Solution
The fourth proportional to 155,412.84, 214,468.74 and 88,344.84 is: 121,915.32
Step by Step Solution
- Step 1: Write the proportion equation
155,412.84 : 214,468.74 = 88,344.84 : x - Step 2: Convert to fraction form
155,412.84/214,468.74 = 88,344.84/x - Step 3: Cross multiply
155,412.84x = 214,468.74 × 88,344.84 - Step 4: Simplify right side
155,412.84x = 18,947,206,520.30 - Step 5: Solve for x
x = 18,947,206,520.30/155,412.84 - Step 6: Final answer
x = 121,915.32
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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.