Finding the Fourth Proportional to 402,844.19, 555,925.17 and 221,568.41
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Solution
The fourth proportional to 402,844.19, 555,925.17 and 221,568.41 is: 305,764.52
Step by Step Solution
- Step 1: Write the proportion equation
402,844.19 : 555,925.17 = 221,568.41 : x - Step 2: Convert to fraction form
402,844.19/555,925.17 = 221,568.41/x - Step 3: Cross multiply
402,844.19x = 555,925.17 × 221,568.41 - Step 4: Simplify right side
402,844.19x = 123,175,458,216.57 - Step 5: Solve for x
x = 123,175,458,216.57/402,844.19 - Step 6: Final answer
x = 305,764.52
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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.