Finding the Fourth Proportional to 832,231.88, 1,248,347.98 and 201,145.56
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Solution
The fourth proportional to 832,231.88, 1,248,347.98 and 201,145.56 is: 301,718.38
Step by Step Solution
- Step 1: Write the proportion equation
832,231.88 : 1,248,347.98 = 201,145.56 : x - Step 2: Convert to fraction form
832,231.88/1,248,347.98 = 201,145.56/x - Step 3: Cross multiply
832,231.88x = 1,248,347.98 × 201,145.56 - Step 4: Simplify right side
832,231.88x = 251,099,653,511.97 - Step 5: Solve for x
x = 251,099,653,511.97/832,231.88 - Step 6: Final answer
x = 301,718.38
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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.