Finding the Fourth Proportional to 199,201.95, 274,894.99 and 108,558.54
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Solution
The fourth proportional to 199,201.95, 274,894.99 and 108,558.54 is: 149,808.77
Step by Step Solution
- Step 1: Write the proportion equation
199,201.95 : 274,894.99 = 108,558.54 : x - Step 2: Convert to fraction form
199,201.95/274,894.99 = 108,558.54/x - Step 3: Cross multiply
199,201.95x = 274,894.99 × 108,558.54 - Step 4: Simplify right side
199,201.95x = 29,842,198,767.71 - Step 5: Solve for x
x = 29,842,198,767.71/199,201.95 - Step 6: Final answer
x = 149,808.77
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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.