Finding the Fourth Proportional to 352,420.20, 486,344.53 and 191,277.18
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Solution
The fourth proportional to 352,420.20, 486,344.53 and 191,277.18 is: 263,965.03
Step by Step Solution
- Step 1: Write the proportion equation
352,420.20 : 486,344.53 = 191,277.18 : x - Step 2: Convert to fraction form
352,420.20/486,344.53 = 191,277.18/x - Step 3: Cross multiply
352,420.20x = 486,344.53 × 191,277.18 - Step 4: Simplify right side
352,420.20x = 93,026,607,775.10 - Step 5: Solve for x
x = 93,026,607,775.10/352,420.20 - Step 6: Final answer
x = 263,965.03
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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.