Finding the Fourth Proportional to 322,719.99, 445,368.06 and 186,760.32
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Solution
The fourth proportional to 322,719.99, 445,368.06 and 186,760.32 is: 257,737.62
Step by Step Solution
- Step 1: Write the proportion equation
322,719.99 : 445,368.06 = 186,760.32 : x - Step 2: Convert to fraction form
322,719.99/445,368.06 = 186,760.32/x - Step 3: Cross multiply
322,719.99x = 445,368.06 × 186,760.32 - Step 4: Simplify right side
322,719.99x = 83,177,081,403.38 - Step 5: Solve for x
x = 83,177,081,403.38/322,719.99 - Step 6: Final answer
x = 257,737.62
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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.