Finding the Fourth Proportional to 255,690.12, 352,837.98 and 140,964.96
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Solution
The fourth proportional to 255,690.12, 352,837.98 and 140,964.96 is: 194,523.71
Step by Step Solution
- Step 1: Write the proportion equation
255,690.12 : 352,837.98 = 140,964.96 : x - Step 2: Convert to fraction form
255,690.12/352,837.98 = 140,964.96/x - Step 3: Cross multiply
255,690.12x = 352,837.98 × 140,964.96 - Step 4: Simplify right side
255,690.12x = 49,737,791,737.18 - Step 5: Solve for x
x = 49,737,791,737.18/255,690.12 - Step 6: Final answer
x = 194,523.71
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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.