Finding the Fourth Proportional to 265,637.74, 398,339.36 and 76,055.08
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Solution
The fourth proportional to 265,637.74, 398,339.36 and 76,055.08 is: 114,049.05
Step by Step Solution
- Step 1: Write the proportion equation
265,637.74 : 398,339.36 = 76,055.08 : x - Step 2: Convert to fraction form
265,637.74/398,339.36 = 76,055.08/x - Step 3: Cross multiply
265,637.74x = 398,339.36 × 76,055.08 - Step 4: Simplify right side
265,637.74x = 30,295,731,891.95 - Step 5: Solve for x
x = 30,295,731,891.95/265,637.74 - Step 6: Final answer
x = 114,049.05
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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.