Finding the Fourth Proportional to 268,129.20, 402,193.80 and 110,305.20
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Solution
The fourth proportional to 268,129.20, 402,193.80 and 110,305.20 is: 165,457.80
Step by Step Solution
- Step 1: Write the proportion equation
268,129.20 : 402,193.80 = 110,305.20 : x - Step 2: Convert to fraction form
268,129.20/402,193.80 = 110,305.20/x - Step 3: Cross multiply
268,129.20x = 402,193.80 × 110,305.20 - Step 4: Simplify right side
268,129.20x = 44,364,067,547.76 - Step 5: Solve for x
x = 44,364,067,547.76/268,129.20 - Step 6: Final answer
x = 165,457.80
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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.