Finding the Fourth Proportional to 170,777.46, 235,671.99 and 99,175.08
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Solution
The fourth proportional to 170,777.46, 235,671.99 and 99,175.08 is: 136,861.08
Step by Step Solution
- Step 1: Write the proportion equation
170,777.46 : 235,671.99 = 99,175.08 : x - Step 2: Convert to fraction form
170,777.46/235,671.99 = 99,175.08/x - Step 3: Cross multiply
170,777.46x = 235,671.99 × 99,175.08 - Step 4: Simplify right side
170,777.46x = 23,372,788,462.01 - Step 5: Solve for x
x = 23,372,788,462.01/170,777.46 - Step 6: Final answer
x = 136,861.08
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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.