Finding the Fourth Proportional to 353,022.90, 487,171.71 and 191,877.99
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Solution
The fourth proportional to 353,022.90, 487,171.71 and 191,877.99 is: 264,791.68
Step by Step Solution
- Step 1: Write the proportion equation
353,022.90 : 487,171.71 = 191,877.99 : x - Step 2: Convert to fraction form
353,022.90/487,171.71 = 191,877.99/x - Step 3: Cross multiply
353,022.90x = 487,171.71 × 191,877.99 - Step 4: Simplify right side
353,022.90x = 93,477,528,499.66 - Step 5: Solve for x
x = 93,477,528,499.66/353,022.90 - Step 6: Final answer
x = 264,791.68
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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.