Finding the Fourth Proportional to 279,878.10, 386,232.35 and 183,148.31
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Solution
The fourth proportional to 279,878.10, 386,232.35 and 183,148.31 is: 252,745.03
Step by Step Solution
- Step 1: Write the proportion equation
279,878.10 : 386,232.35 = 183,148.31 : x - Step 2: Convert to fraction form
279,878.10/386,232.35 = 183,148.31/x - Step 3: Cross multiply
279,878.10x = 386,232.35 × 183,148.31 - Step 4: Simplify right side
279,878.10x = 70,737,799,322.93 - Step 5: Solve for x
x = 70,737,799,322.93/279,878.10 - Step 6: Final answer
x = 252,745.03
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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.