Finding the Fourth Proportional to 145,157.71, 217,680.58 and 56,399.53
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Solution
The fourth proportional to 145,157.71, 217,680.58 and 56,399.53 is: 84,577.54
Step by Step Solution
- Step 1: Write the proportion equation
145,157.71 : 217,680.58 = 56,399.53 : x - Step 2: Convert to fraction form
145,157.71/217,680.58 = 56,399.53/x - Step 3: Cross multiply
145,157.71x = 217,680.58 × 56,399.53 - Step 4: Simplify right side
145,157.71x = 12,277,082,402.13 - Step 5: Solve for x
x = 12,277,082,402.13/145,157.71 - Step 6: Final answer
x = 84,577.54
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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.