Finding the Fourth Proportional to 138,785.99, 208,174.51 and 58,802.59
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Solution
The fourth proportional to 138,785.99, 208,174.51 and 58,802.59 is: 88,201.99
Step by Step Solution
- Step 1: Write the proportion equation
138,785.99 : 208,174.51 = 58,802.59 : x - Step 2: Convert to fraction form
138,785.99/208,174.51 = 58,802.59/x - Step 3: Cross multiply
138,785.99x = 208,174.51 × 58,802.59 - Step 4: Simplify right side
138,785.99x = 12,241,200,359.98 - Step 5: Solve for x
x = 12,241,200,359.98/138,785.99 - Step 6: Final answer
x = 88,201.99
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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.