Finding the Fourth Proportional to 268,130.21, 402,247.16 and 101,905.25
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Solution
The fourth proportional to 268,130.21, 402,247.16 and 101,905.25 is: 152,877.58
Step by Step Solution
- Step 1: Write the proportion equation
268,130.21 : 402,247.16 = 101,905.25 : x - Step 2: Convert to fraction form
268,130.21/402,247.16 = 101,905.25/x - Step 3: Cross multiply
268,130.21x = 402,247.16 × 101,905.25 - Step 4: Simplify right side
268,130.21x = 40,991,096,892.06 - Step 5: Solve for x
x = 40,991,096,892.06/268,130.21 - Step 6: Final answer
x = 152,877.58
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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.