Finding the Fourth Proportional to 234,135.16, 351,281.58 and 74,237.20
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Solution
The fourth proportional to 234,135.16, 351,281.58 and 74,237.20 is: 111,380.80
Step by Step Solution
- Step 1: Write the proportion equation
234,135.16 : 351,281.58 = 74,237.20 : x - Step 2: Convert to fraction form
234,135.16/351,281.58 = 74,237.20/x - Step 3: Cross multiply
234,135.16x = 351,281.58 × 74,237.20 - Step 4: Simplify right side
234,135.16x = 26,078,160,910.78 - Step 5: Solve for x
x = 26,078,160,910.78/234,135.16 - Step 6: Final answer
x = 111,380.80
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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.