Finding the Fourth Proportional to 310,126.96, 464,894.97 and 99,617.14
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Solution
The fourth proportional to 310,126.96, 464,894.97 and 99,617.14 is: 149,330.80
Step by Step Solution
- Step 1: Write the proportion equation
310,126.96 : 464,894.97 = 99,617.14 : x - Step 2: Convert to fraction form
310,126.96/464,894.97 = 99,617.14/x - Step 3: Cross multiply
310,126.96x = 464,894.97 × 99,617.14 - Step 4: Simplify right side
310,126.96x = 46,311,507,311.79 - Step 5: Solve for x
x = 46,311,507,311.79/310,126.96 - Step 6: Final answer
x = 149,330.80
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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.