Finding the Fourth Proportional to 169,479.42, 254,260.18 and 51,143.54
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Solution
The fourth proportional to 169,479.42, 254,260.18 and 51,143.54 is: 76,727.70
Step by Step Solution
- Step 1: Write the proportion equation
169,479.42 : 254,260.18 = 51,143.54 : x - Step 2: Convert to fraction form
169,479.42/254,260.18 = 51,143.54/x - Step 3: Cross multiply
169,479.42x = 254,260.18 × 51,143.54 - Step 4: Simplify right side
169,479.42x = 13,003,765,686.24 - Step 5: Solve for x
x = 13,003,765,686.24/169,479.42 - Step 6: Final answer
x = 76,727.70
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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.