Finding the Fourth Proportional to 114,078.81, 171,161.97 and 47,501.07
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Solution
The fourth proportional to 114,078.81, 171,161.97 and 47,501.07 is: 71,269.82
Step by Step Solution
- Step 1: Write the proportion equation
114,078.81 : 171,161.97 = 47,501.07 : x - Step 2: Convert to fraction form
114,078.81/171,161.97 = 47,501.07/x - Step 3: Cross multiply
114,078.81x = 171,161.97 × 47,501.07 - Step 4: Simplify right side
114,078.81x = 8,130,376,718.31 - Step 5: Solve for x
x = 8,130,376,718.31/114,078.81 - Step 6: Final answer
x = 71,269.82
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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.