Finding the Fourth Proportional to 179,782.71, 247,995.37 and 115,228.95
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Solution
The fourth proportional to 179,782.71, 247,995.37 and 115,228.95 is: 158,948.80
Step by Step Solution
- Step 1: Write the proportion equation
179,782.71 : 247,995.37 = 115,228.95 : x - Step 2: Convert to fraction form
179,782.71/247,995.37 = 115,228.95/x - Step 3: Cross multiply
179,782.71x = 247,995.37 × 115,228.95 - Step 4: Simplify right side
179,782.71x = 28,576,246,089.96 - Step 5: Solve for x
x = 28,576,246,089.96/179,782.71 - Step 6: Final answer
x = 158,948.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.