Finding the Fourth Proportional to 400,292.62, 552,313.49 and 239,116.19
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Solution
The fourth proportional to 400,292.62, 552,313.49 and 239,116.19 is: 329,926.38
Step by Step Solution
- Step 1: Write the proportion equation
400,292.62 : 552,313.49 = 239,116.19 : x - Step 2: Convert to fraction form
400,292.62/552,313.49 = 239,116.19/x - Step 3: Cross multiply
400,292.62x = 552,313.49 × 239,116.19 - Step 4: Simplify right side
400,292.62x = 132,067,096,631.41 - Step 5: Solve for x
x = 132,067,096,631.41/400,292.62 - Step 6: Final answer
x = 329,926.38
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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.