Finding the Fourth Proportional to 369,879.84, 510,435.36 and 200,115.36
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Solution
The fourth proportional to 369,879.84, 510,435.36 and 200,115.36 is: 276,159.84
Step by Step Solution
- Step 1: Write the proportion equation
369,879.84 : 510,435.36 = 200,115.36 : x - Step 2: Convert to fraction form
369,879.84/510,435.36 = 200,115.36/x - Step 3: Cross multiply
369,879.84x = 510,435.36 × 200,115.36 - Step 4: Simplify right side
369,879.84x = 102,145,955,823.13 - Step 5: Solve for x
x = 102,145,955,823.13/369,879.84 - Step 6: Final answer
x = 276,159.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.