Finding the Fourth Proportional to 310,195.14, 464,996.97 and 99,685.14
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Solution
The fourth proportional to 310,195.14, 464,996.97 and 99,685.14 is: 149,432.67
Step by Step Solution
- Step 1: Write the proportion equation
310,195.14 : 464,996.97 = 99,685.14 : x - Step 2: Convert to fraction form
310,195.14/464,996.97 = 99,685.14/x - Step 3: Cross multiply
310,195.14x = 464,996.97 × 99,685.14 - Step 4: Simplify right side
310,195.14x = 46,353,288,054.03 - Step 5: Solve for x
x = 46,353,288,054.03/310,195.14 - Step 6: Final answer
x = 149,432.67
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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.