Finding the Fourth Proportional to 251,495.24, 347,057.70 and 138,319.88
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Solution
The fourth proportional to 251,495.24, 347,057.70 and 138,319.88 is: 190,878.28
Step by Step Solution
- Step 1: Write the proportion equation
251,495.24 : 347,057.70 = 138,319.88 : x - Step 2: Convert to fraction form
251,495.24/347,057.70 = 138,319.88/x - Step 3: Cross multiply
251,495.24x = 347,057.70 × 138,319.88 - Step 4: Simplify right side
251,495.24x = 48,004,979,417.08 - Step 5: Solve for x
x = 48,004,979,417.08/251,495.24 - Step 6: Final answer
x = 190,878.28
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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.