Finding the Fourth Proportional to 251,037.18, 378,430.50 and 229,757.64
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Solution
The fourth proportional to 251,037.18, 378,430.50 and 229,757.64 is: 346,352.28
Step by Step Solution
- Step 1: Write the proportion equation
251,037.18 : 378,430.50 = 229,757.64 : x - Step 2: Convert to fraction form
251,037.18/378,430.50 = 229,757.64/x - Step 3: Cross multiply
251,037.18x = 378,430.50 × 229,757.64 - Step 4: Simplify right side
251,037.18x = 86,947,298,584.02 - Step 5: Solve for x
x = 86,947,298,584.02/251,037.18 - Step 6: Final answer
x = 346,352.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.