Finding the Fourth Proportional to 126,588.57, 189,889.82 and 37,848.99
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Solution
The fourth proportional to 126,588.57, 189,889.82 and 37,848.99 is: 56,775.57
Step by Step Solution
- Step 1: Write the proportion equation
126,588.57 : 189,889.82 = 37,848.99 : x - Step 2: Convert to fraction form
126,588.57/189,889.82 = 37,848.99/x - Step 3: Cross multiply
126,588.57x = 189,889.82 × 37,848.99 - Step 4: Simplify right side
126,588.57x = 7,187,137,709.04 - Step 5: Solve for x
x = 7,187,137,709.04/126,588.57 - Step 6: Final answer
x = 56,775.57
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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.