Finding the Fourth Proportional to 398,841.80, 596,804.70 and 293,865.80
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Solution
The fourth proportional to 398,841.80, 596,804.70 and 293,865.80 is: 439,724.45
Step by Step Solution
- Step 1: Write the proportion equation
398,841.80 : 596,804.70 = 293,865.80 : x - Step 2: Convert to fraction form
398,841.80/596,804.70 = 293,865.80/x - Step 3: Cross multiply
398,841.80x = 596,804.70 × 293,865.80 - Step 4: Simplify right side
398,841.80x = 175,380,490,609.26 - Step 5: Solve for x
x = 175,380,490,609.26/398,841.80 - Step 6: Final answer
x = 439,724.45
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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.