Finding the Fourth Proportional to 205,611.52, 283,874.56 and 157,774.08
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Solution
The fourth proportional to 205,611.52, 283,874.56 and 157,774.08 is: 217,828.49
Step by Step Solution
- Step 1: Write the proportion equation
205,611.52 : 283,874.56 = 157,774.08 : x - Step 2: Convert to fraction form
205,611.52/283,874.56 = 157,774.08/x - Step 3: Cross multiply
205,611.52x = 283,874.56 × 157,774.08 - Step 4: Simplify right side
205,611.52x = 44,788,047,539.40 - Step 5: Solve for x
x = 44,788,047,539.40/205,611.52 - Step 6: Final answer
x = 217,828.49
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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.