Finding the Fourth Proportional to 219,889.65, 303,291.28 and 201,798.79
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Solution
The fourth proportional to 219,889.65, 303,291.28 and 201,798.79 is: 278,338.76
Step by Step Solution
- Step 1: Write the proportion equation
219,889.65 : 303,291.28 = 201,798.79 : x - Step 2: Convert to fraction form
219,889.65/303,291.28 = 201,798.79/x - Step 3: Cross multiply
219,889.65x = 303,291.28 × 201,798.79 - Step 4: Simplify right side
219,889.65x = 61,203,813,321.55 - Step 5: Solve for x
x = 61,203,813,321.55/219,889.65 - Step 6: Final answer
x = 278,338.76
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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.