Finding the Fourth Proportional to 127,555.11, 191,165.67 and 52,587.99
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Solution
The fourth proportional to 127,555.11, 191,165.67 and 52,587.99 is: 78,813.14
Step by Step Solution
- Step 1: Write the proportion equation
127,555.11 : 191,165.67 = 52,587.99 : x - Step 2: Convert to fraction form
127,555.11/191,165.67 = 52,587.99/x - Step 3: Cross multiply
127,555.11x = 191,165.67 × 52,587.99 - Step 4: Simplify right side
127,555.11x = 10,053,018,342.30 - Step 5: Solve for x
x = 10,053,018,342.30/127,555.11 - Step 6: Final answer
x = 78,813.14
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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.