Finding the Fourth Proportional to 288,068.77, 397,535.34 and 160,744.74
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Solution
The fourth proportional to 288,068.77, 397,535.34 and 160,744.74 is: 221,827.99
Step by Step Solution
- Step 1: Write the proportion equation
288,068.77 : 397,535.34 = 160,744.74 : x - Step 2: Convert to fraction form
288,068.77/397,535.34 = 160,744.74/x - Step 3: Cross multiply
288,068.77x = 397,535.34 × 160,744.74 - Step 4: Simplify right side
288,068.77x = 63,901,714,869.11 - Step 5: Solve for x
x = 63,901,714,869.11/288,068.77 - Step 6: Final answer
x = 221,827.99
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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.