Finding the Fourth Proportional to 398,605.20, 597,805.61 and 118,056.84
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Solution
The fourth proportional to 398,605.20, 597,805.61 and 118,056.84 is: 177,054.99
Step by Step Solution
- Step 1: Write the proportion equation
398,605.20 : 597,805.61 = 118,056.84 : x - Step 2: Convert to fraction form
398,605.20/597,805.61 = 118,056.84/x - Step 3: Cross multiply
398,605.20x = 597,805.61 × 118,056.84 - Step 4: Simplify right side
398,605.20x = 70,575,040,660.59 - Step 5: Solve for x
x = 70,575,040,660.59/398,605.20 - Step 6: Final answer
x = 177,054.99
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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.