Finding the Fourth Proportional to 135,765.32, 203,581.36 and 55,788.80
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Solution
The fourth proportional to 135,765.32, 203,581.36 and 55,788.80 is: 83,655.82
Step by Step Solution
- Step 1: Write the proportion equation
135,765.32 : 203,581.36 = 55,788.80 : x - Step 2: Convert to fraction form
135,765.32/203,581.36 = 55,788.80/x - Step 3: Cross multiply
135,765.32x = 203,581.36 × 55,788.80 - Step 4: Simplify right side
135,765.32x = 11,357,559,776.77 - Step 5: Solve for x
x = 11,357,559,776.77/135,765.32 - Step 6: Final answer
x = 83,655.82
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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.