Finding the Fourth Proportional to 395,236.30, 592,491.17 and 142,454.92
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Solution
The fourth proportional to 395,236.30, 592,491.17 and 142,454.92 is: 213,551.45
Step by Step Solution
- Step 1: Write the proportion equation
395,236.30 : 592,491.17 = 142,454.92 : x - Step 2: Convert to fraction form
395,236.30/592,491.17 = 142,454.92/x - Step 3: Cross multiply
395,236.30x = 592,491.17 × 142,454.92 - Step 4: Simplify right side
395,236.30x = 84,403,282,223.06 - Step 5: Solve for x
x = 84,403,282,223.06/395,236.30 - Step 6: Final answer
x = 213,551.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.