Finding the Fourth Proportional to 100,812.08, 151,201.50 and 37,615.68
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Solution
The fourth proportional to 100,812.08, 151,201.50 and 37,615.68 is: 56,417.32
Step by Step Solution
- Step 1: Write the proportion equation
100,812.08 : 151,201.50 = 37,615.68 : x - Step 2: Convert to fraction form
100,812.08/151,201.50 = 37,615.68/x - Step 3: Cross multiply
100,812.08x = 151,201.50 × 37,615.68 - Step 4: Simplify right side
100,812.08x = 5,687,547,239.52 - Step 5: Solve for x
x = 5,687,547,239.52/100,812.08 - Step 6: Final answer
x = 56,417.32
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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.