Finding the Fourth Proportional to 322,117.53, 444,394.71 and 186,126.42
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Solution
The fourth proportional to 322,117.53, 444,394.71 and 186,126.42 is: 256,780.80
Step by Step Solution
- Step 1: Write the proportion equation
322,117.53 : 444,394.71 = 186,126.42 : x - Step 2: Convert to fraction form
322,117.53/444,394.71 = 186,126.42/x - Step 3: Cross multiply
322,117.53x = 444,394.71 × 186,126.42 - Step 4: Simplify right side
322,117.53x = 82,713,596,439.24 - Step 5: Solve for x
x = 82,713,596,439.24/322,117.53 - Step 6: Final answer
x = 256,780.80
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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.