Finding the Fourth Proportional to 135,712.35, 203,470.11 and 91,228.77
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Solution
The fourth proportional to 135,712.35, 203,470.11 and 91,228.77 is: 136,777.00
Step by Step Solution
- Step 1: Write the proportion equation
135,712.35 : 203,470.11 = 91,228.77 : x - Step 2: Convert to fraction form
135,712.35/203,470.11 = 91,228.77/x - Step 3: Cross multiply
135,712.35x = 203,470.11 × 91,228.77 - Step 4: Simplify right side
135,712.35x = 18,562,327,867.06 - Step 5: Solve for x
x = 18,562,327,867.06/135,712.35 - Step 6: Final answer
x = 136,777.00
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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.