Finding the Fourth Proportional to 344,371.36, 475,288.88 and 286,919.56
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Solution
The fourth proportional to 344,371.36, 475,288.88 and 286,919.56 is: 395,995.99
Step by Step Solution
- Step 1: Write the proportion equation
344,371.36 : 475,288.88 = 286,919.56 : x - Step 2: Convert to fraction form
344,371.36/475,288.88 = 286,919.56/x - Step 3: Cross multiply
344,371.36x = 475,288.88 × 286,919.56 - Step 4: Simplify right side
344,371.36x = 136,369,676,322.49 - Step 5: Solve for x
x = 136,369,676,322.49/344,371.36 - Step 6: Final answer
x = 395,995.99
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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.