Finding the Fourth Proportional to 310,812.53, 428,920.68 and 174,846.59
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Solution
The fourth proportional to 310,812.53, 428,920.68 and 174,846.59 is: 241,287.94
Step by Step Solution
- Step 1: Write the proportion equation
310,812.53 : 428,920.68 = 174,846.59 : x - Step 2: Convert to fraction form
310,812.53/428,920.68 = 174,846.59/x - Step 3: Cross multiply
310,812.53x = 428,920.68 × 174,846.59 - Step 4: Simplify right side
310,812.53x = 74,995,316,133.88 - Step 5: Solve for x
x = 74,995,316,133.88/310,812.53 - Step 6: Final answer
x = 241,287.94
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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.