Finding the Fourth Proportional to 170,774.82, 235,682.73 and 99,177.30
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Solution
The fourth proportional to 170,774.82, 235,682.73 and 99,177.30 is: 136,872.50
Step by Step Solution
- Step 1: Write the proportion equation
170,774.82 : 235,682.73 = 99,177.30 : x - Step 2: Convert to fraction form
170,774.82/235,682.73 = 99,177.30/x - Step 3: Cross multiply
170,774.82x = 235,682.73 × 99,177.30 - Step 4: Simplify right side
170,774.82x = 23,374,376,818.03 - Step 5: Solve for x
x = 23,374,376,818.03/170,774.82 - Step 6: Final answer
x = 136,872.50
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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.