Finding the Fourth Proportional to 417,424.93, 626,239.29 and 133,115.48
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Solution
The fourth proportional to 417,424.93, 626,239.29 and 133,115.48 is: 199,705.71
Step by Step Solution
- Step 1: Write the proportion equation
417,424.93 : 626,239.29 = 133,115.48 : x - Step 2: Convert to fraction form
417,424.93/626,239.29 = 133,115.48/x - Step 3: Cross multiply
417,424.93x = 626,239.29 × 133,115.48 - Step 4: Simplify right side
417,424.93x = 83,362,143,399.59 - Step 5: Solve for x
x = 83,362,143,399.59/417,424.93 - Step 6: Final answer
x = 199,705.71
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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.