Finding the Fourth Proportional to 414,311.96, 571,794.36 and 253,261.28
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Solution
The fourth proportional to 414,311.96, 571,794.36 and 253,261.28 is: 349,527.37
Step by Step Solution
- Step 1: Write the proportion equation
414,311.96 : 571,794.36 = 253,261.28 : x - Step 2: Convert to fraction form
414,311.96/571,794.36 = 253,261.28/x - Step 3: Cross multiply
414,311.96x = 571,794.36 × 253,261.28 - Step 4: Simplify right side
414,311.96x = 144,813,371,510.38 - Step 5: Solve for x
x = 144,813,371,510.38/414,311.96 - Step 6: Final answer
x = 349,527.37
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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.