Finding the Fourth Proportional to 110,188.68, 165,283.01 and 31,292.66
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Solution
The fourth proportional to 110,188.68, 165,283.01 and 31,292.66 is: 46,938.99
Step by Step Solution
- Step 1: Write the proportion equation
110,188.68 : 165,283.01 = 31,292.66 : x - Step 2: Convert to fraction form
110,188.68/165,283.01 = 31,292.66/x - Step 3: Cross multiply
110,188.68x = 165,283.01 × 31,292.66 - Step 4: Simplify right side
110,188.68x = 5,172,145,035.71 - Step 5: Solve for x
x = 5,172,145,035.71/110,188.68 - Step 6: Final answer
x = 46,938.99
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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.