Finding the Fourth Proportional to 254,591.60, 381,305.68 and 121,565.03
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Solution
The fourth proportional to 254,591.60, 381,305.68 and 121,565.03 is: 182,069.77
Step by Step Solution
- Step 1: Write the proportion equation
254,591.60 : 381,305.68 = 121,565.03 : x - Step 2: Convert to fraction form
254,591.60/381,305.68 = 121,565.03/x - Step 3: Cross multiply
254,591.60x = 381,305.68 × 121,565.03 - Step 4: Simplify right side
254,591.60x = 46,353,434,217.93 - Step 5: Solve for x
x = 46,353,434,217.93/254,591.60 - Step 6: Final answer
x = 182,069.77
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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.