Finding the Fourth Proportional to 190,292.67, 262,354.95 and 163,720.62
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Solution
The fourth proportional to 190,292.67, 262,354.95 and 163,720.62 is: 225,720.28
Step by Step Solution
- Step 1: Write the proportion equation
190,292.67 : 262,354.95 = 163,720.62 : x - Step 2: Convert to fraction form
190,292.67/262,354.95 = 163,720.62/x - Step 3: Cross multiply
190,292.67x = 262,354.95 × 163,720.62 - Step 4: Simplify right side
190,292.67x = 42,952,915,074.07 - Step 5: Solve for x
x = 42,952,915,074.07/190,292.67 - Step 6: Final answer
x = 225,720.28
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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.