Finding the Fourth Proportional to 566,118.68, 781,249.97 and 307,997.09
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Solution
The fourth proportional to 566,118.68, 781,249.97 and 307,997.09 is: 425,039.35
Step by Step Solution
- Step 1: Write the proportion equation
566,118.68 : 781,249.97 = 307,997.09 : x - Step 2: Convert to fraction form
566,118.68/781,249.97 = 307,997.09/x - Step 3: Cross multiply
566,118.68x = 781,249.97 × 307,997.09 - Step 4: Simplify right side
566,118.68x = 240,622,717,322.59 - Step 5: Solve for x
x = 240,622,717,322.59/566,118.68 - Step 6: Final answer
x = 425,039.35
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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.