Finding the Fourth Proportional to 398,340.70, 597,616.65 and 173,604.70
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Solution
The fourth proportional to 398,340.70, 597,616.65 and 173,604.70 is: 260,453.07
Step by Step Solution
- Step 1: Write the proportion equation
398,340.70 : 597,616.65 = 173,604.70 : x - Step 2: Convert to fraction form
398,340.70/597,616.65 = 173,604.70/x - Step 3: Cross multiply
398,340.70x = 597,616.65 × 173,604.70 - Step 4: Simplify right side
398,340.70x = 103,749,059,238.26 - Step 5: Solve for x
x = 103,749,059,238.26/398,340.70 - Step 6: Final answer
x = 260,453.07
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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.