Finding the Fourth Proportional to 193,453.71, 290,248.26 and 75,208.02
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Solution
The fourth proportional to 193,453.71, 290,248.26 and 75,208.02 is: 112,838.35
Step by Step Solution
- Step 1: Write the proportion equation
193,453.71 : 290,248.26 = 75,208.02 : x - Step 2: Convert to fraction form
193,453.71/290,248.26 = 75,208.02/x - Step 3: Cross multiply
193,453.71x = 290,248.26 × 75,208.02 - Step 4: Simplify right side
193,453.71x = 21,828,996,943.05 - Step 5: Solve for x
x = 21,828,996,943.05/193,453.71 - Step 6: Final answer
x = 112,838.35
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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.