Finding the Fourth Proportional to 240,213.11, 331,479.68 and 132,776.73
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Solution
The fourth proportional to 240,213.11, 331,479.68 and 132,776.73 is: 183,223.92
Step by Step Solution
- Step 1: Write the proportion equation
240,213.11 : 331,479.68 = 132,776.73 : x - Step 2: Convert to fraction form
240,213.11/331,479.68 = 132,776.73/x - Step 3: Cross multiply
240,213.11x = 331,479.68 × 132,776.73 - Step 4: Simplify right side
240,213.11x = 44,012,787,307.96 - Step 5: Solve for x
x = 44,012,787,307.96/240,213.11 - Step 6: Final answer
x = 183,223.92
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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.