Finding the Fourth Proportional to 155,148.53, 214,114.10 and 116,840.49
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Solution
The fourth proportional to 155,148.53, 214,114.10 and 116,840.49 is: 161,246.75
Step by Step Solution
- Step 1: Write the proportion equation
155,148.53 : 214,114.10 = 116,840.49 : x - Step 2: Convert to fraction form
155,148.53/214,114.10 = 116,840.49/x - Step 3: Cross multiply
155,148.53x = 214,114.10 × 116,840.49 - Step 4: Simplify right side
155,148.53x = 25,017,195,775.71 - Step 5: Solve for x
x = 25,017,195,775.71/155,148.53 - Step 6: Final answer
x = 161,246.75
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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.