Finding the Fourth Proportional to 417,828.97, 576,639.66 and 236,572.84
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Solution
The fourth proportional to 417,828.97, 576,639.66 and 236,572.84 is: 326,490.72
Step by Step Solution
- Step 1: Write the proportion equation
417,828.97 : 576,639.66 = 236,572.84 : x - Step 2: Convert to fraction form
417,828.97/576,639.66 = 236,572.84/x - Step 3: Cross multiply
417,828.97x = 576,639.66 × 236,572.84 - Step 4: Simplify right side
417,828.97x = 136,417,282,022.83 - Step 5: Solve for x
x = 136,417,282,022.83/417,828.97 - Step 6: Final answer
x = 326,490.72
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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.