Finding the Fourth Proportional to 135,779.40, 203,587.29 and 60,885.99
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Solution
The fourth proportional to 135,779.40, 203,587.29 and 60,885.99 is: 91,292.30
Step by Step Solution
- Step 1: Write the proportion equation
135,779.40 : 203,587.29 = 60,885.99 : x - Step 2: Convert to fraction form
135,779.40/203,587.29 = 60,885.99/x - Step 3: Cross multiply
135,779.40x = 203,587.29 × 60,885.99 - Step 4: Simplify right side
135,779.40x = 12,395,613,703.07 - Step 5: Solve for x
x = 12,395,613,703.07/135,779.40 - Step 6: Final answer
x = 91,292.30
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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.