Finding the Fourth Proportional to 338,161.84, 507,322.80 and 110,456.32
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Solution
The fourth proportional to 338,161.84, 507,322.80 and 110,456.32 is: 165,710.62
Step by Step Solution
- Step 1: Write the proportion equation
338,161.84 : 507,322.80 = 110,456.32 : x - Step 2: Convert to fraction form
338,161.84/507,322.80 = 110,456.32/x - Step 3: Cross multiply
338,161.84x = 507,322.80 × 110,456.32 - Step 4: Simplify right side
338,161.84x = 56,037,009,540.10 - Step 5: Solve for x
x = 56,037,009,540.10/338,161.84 - Step 6: Final answer
x = 165,710.62
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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.