Finding the Fourth Proportional to 398,649.36, 597,297.36 and 240,545.60
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Solution
The fourth proportional to 398,649.36, 597,297.36 and 240,545.60 is: 360,410.09
Step by Step Solution
- Step 1: Write the proportion equation
398,649.36 : 597,297.36 = 240,545.60 : x - Step 2: Convert to fraction form
398,649.36/597,297.36 = 240,545.60/x - Step 3: Cross multiply
398,649.36x = 597,297.36 × 240,545.60 - Step 4: Simplify right side
398,649.36x = 143,677,251,839.62 - Step 5: Solve for x
x = 143,677,251,839.62/398,649.36 - Step 6: Final answer
x = 360,410.09
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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.