Finding the Fourth Proportional to 472,434.75, 708,686.78 and 202,299.44
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Solution
The fourth proportional to 472,434.75, 708,686.78 and 202,299.44 is: 303,463.99
Step by Step Solution
- Step 1: Write the proportion equation
472,434.75 : 708,686.78 = 202,299.44 : x - Step 2: Convert to fraction form
472,434.75/708,686.78 = 202,299.44/x - Step 3: Cross multiply
472,434.75x = 708,686.78 × 202,299.44 - Step 4: Simplify right side
472,434.75x = 143,366,934,174.47 - Step 5: Solve for x
x = 143,366,934,174.47/472,434.75 - Step 6: Final answer
x = 303,463.99
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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.