Finding the Fourth Proportional to 251,632.42, 347,252.69 and 138,455.18
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Solution
The fourth proportional to 251,632.42, 347,252.69 and 138,455.18 is: 191,068.12
Step by Step Solution
- Step 1: Write the proportion equation
251,632.42 : 347,252.69 = 138,455.18 : x - Step 2: Convert to fraction form
251,632.42/347,252.69 = 138,455.18/x - Step 3: Cross multiply
251,632.42x = 347,252.69 × 138,455.18 - Step 4: Simplify right side
251,632.42x = 48,078,933,699.43 - Step 5: Solve for x
x = 48,078,933,699.43/251,632.42 - Step 6: Final answer
x = 191,068.12
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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.