Finding the Fourth Proportional to 311,970.63, 467,988.75 and 101,624.97
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Solution
The fourth proportional to 311,970.63, 467,988.75 and 101,624.97 is: 152,448.14
Step by Step Solution
- Step 1: Write the proportion equation
311,970.63 : 467,988.75 = 101,624.97 : x - Step 2: Convert to fraction form
311,970.63/467,988.75 = 101,624.97/x - Step 3: Cross multiply
311,970.63x = 467,988.75 × 101,624.97 - Step 4: Simplify right side
311,970.63x = 47,559,342,679.09 - Step 5: Solve for x
x = 47,559,342,679.09/311,970.63 - Step 6: Final answer
x = 152,448.14
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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.