Finding the Fourth Proportional to 254,529.08, 381,212.36 and 121,502.76
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Solution
The fourth proportional to 254,529.08, 381,212.36 and 121,502.76 is: 181,976.67
Step by Step Solution
- Step 1: Write the proportion equation
254,529.08 : 381,212.36 = 121,502.76 : x - Step 2: Convert to fraction form
254,529.08/381,212.36 = 121,502.76/x - Step 3: Cross multiply
254,529.08x = 381,212.36 × 121,502.76 - Step 4: Simplify right side
254,529.08x = 46,318,353,278.60 - Step 5: Solve for x
x = 46,318,353,278.60/254,529.08 - Step 6: Final answer
x = 181,976.67
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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.