Finding the Fourth Proportional to 234,762.21, 352,171.26 and 74,781.95
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Solution
The fourth proportional to 234,762.21, 352,171.26 and 74,781.95 is: 112,181.82
Step by Step Solution
- Step 1: Write the proportion equation
234,762.21 : 352,171.26 = 74,781.95 : x - Step 2: Convert to fraction form
234,762.21/352,171.26 = 74,781.95/x - Step 3: Cross multiply
234,762.21x = 352,171.26 × 74,781.95 - Step 4: Simplify right side
234,762.21x = 26,336,051,795.90 - Step 5: Solve for x
x = 26,336,051,795.90/234,762.21 - Step 6: Final answer
x = 112,181.82
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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.