Finding the Fourth Proportional to 153,639.21, 230,450.62 and 58,914.78
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Solution
The fourth proportional to 153,639.21, 230,450.62 and 58,914.78 is: 88,369.02
Step by Step Solution
- Step 1: Write the proportion equation
153,639.21 : 230,450.62 = 58,914.78 : x - Step 2: Convert to fraction form
153,639.21/230,450.62 = 58,914.78/x - Step 3: Cross multiply
153,639.21x = 230,450.62 × 58,914.78 - Step 4: Simplify right side
153,639.21x = 13,576,946,677.15 - Step 5: Solve for x
x = 13,576,946,677.15/153,639.21 - Step 6: Final answer
x = 88,369.02
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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.