Finding the Fourth Proportional to 255,459.91, 352,562.18 and 140,750.09
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Solution
The fourth proportional to 255,459.91, 352,562.18 and 140,750.09 is: 194,250.28
Step by Step Solution
- Step 1: Write the proportion equation
255,459.91 : 352,562.18 = 140,750.09 : x - Step 2: Convert to fraction form
255,459.91/352,562.18 = 140,750.09/x - Step 3: Cross multiply
255,459.91x = 352,562.18 × 140,750.09 - Step 4: Simplify right side
255,459.91x = 49,623,158,565.60 - Step 5: Solve for x
x = 49,623,158,565.60/255,459.91 - Step 6: Final answer
x = 194,250.28
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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.