Finding the Fourth Proportional to 299,393.70, 448,434.45 and 260,027.70
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Solution
The fourth proportional to 299,393.70, 448,434.45 and 260,027.70 is: 389,471.72
Step by Step Solution
- Step 1: Write the proportion equation
299,393.70 : 448,434.45 = 260,027.70 : x - Step 2: Convert to fraction form
299,393.70/448,434.45 = 260,027.70/x - Step 3: Cross multiply
299,393.70x = 448,434.45 × 260,027.70 - Step 4: Simplify right side
299,393.70x = 116,605,378,634.27 - Step 5: Solve for x
x = 116,605,378,634.27/299,393.70 - Step 6: Final answer
x = 389,471.72
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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.