Finding the Fourth Proportional to 492,395.68, 738,593.66 and 155,470.40
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Solution
The fourth proportional to 492,395.68, 738,593.66 and 155,470.40 is: 233,205.64
Step by Step Solution
- Step 1: Write the proportion equation
492,395.68 : 738,593.66 = 155,470.40 : x - Step 2: Convert to fraction form
492,395.68/738,593.66 = 155,470.40/x - Step 3: Cross multiply
492,395.68x = 738,593.66 × 155,470.40 - Step 4: Simplify right side
492,395.68x = 114,829,451,757.66 - Step 5: Solve for x
x = 114,829,451,757.66/492,395.68 - Step 6: Final answer
x = 233,205.64
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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.