Finding the Fourth Proportional to 287,283.04, 430,953.99 and 109,939.21
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Solution
The fourth proportional to 287,283.04, 430,953.99 and 109,939.21 is: 164,920.07
Step by Step Solution
- Step 1: Write the proportion equation
287,283.04 : 430,953.99 = 109,939.21 : x - Step 2: Convert to fraction form
287,283.04/430,953.99 = 109,939.21/x - Step 3: Cross multiply
287,283.04x = 430,953.99 × 109,939.21 - Step 4: Simplify right side
287,283.04x = 47,378,738,502.48 - Step 5: Solve for x
x = 47,378,738,502.48/287,283.04 - Step 6: Final answer
x = 164,920.07
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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.