Finding the Fourth Proportional to 311,867.52, 467,858.99 and 98,689.02
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Solution
The fourth proportional to 311,867.52, 467,858.99 and 98,689.02 is: 148,051.79
Step by Step Solution
- Step 1: Write the proportion equation
311,867.52 : 467,858.99 = 98,689.02 : x - Step 2: Convert to fraction form
311,867.52/467,858.99 = 98,689.02/x - Step 3: Cross multiply
311,867.52x = 467,858.99 × 98,689.02 - Step 4: Simplify right side
311,867.52x = 46,172,545,221.29 - Step 5: Solve for x
x = 46,172,545,221.29/311,867.52 - Step 6: Final answer
x = 148,051.79
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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.