Finding the Fourth Proportional to 417,129.48, 625,727.16 and 164,392.74
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Solution
The fourth proportional to 417,129.48, 625,727.16 and 164,392.74 is: 246,602.09
Step by Step Solution
- Step 1: Write the proportion equation
417,129.48 : 625,727.16 = 164,392.74 : x - Step 2: Convert to fraction form
417,129.48/625,727.16 = 164,392.74/x - Step 3: Cross multiply
417,129.48x = 625,727.16 × 164,392.74 - Step 4: Simplify right side
417,129.48x = 102,865,002,324.82 - Step 5: Solve for x
x = 102,865,002,324.82/417,129.48 - Step 6: Final answer
x = 246,602.09
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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.