Finding the Fourth Proportional to 135,901.70, 203,779.65 and 56,926.70
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Solution
The fourth proportional to 135,901.70, 203,779.65 and 56,926.70 is: 85,359.51
Step by Step Solution
- Step 1: Write the proportion equation
135,901.70 : 203,779.65 = 56,926.70 : x - Step 2: Convert to fraction form
135,901.70/203,779.65 = 56,926.70/x - Step 3: Cross multiply
135,901.70x = 203,779.65 × 56,926.70 - Step 4: Simplify right side
135,901.70x = 11,600,503,001.66 - Step 5: Solve for x
x = 11,600,503,001.66/135,901.70 - Step 6: Final answer
x = 85,359.51
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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.