Finding the Fourth Proportional to 255,124.80, 382,479.84 and 89,029.44
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Solution
The fourth proportional to 255,124.80, 382,479.84 and 89,029.44 is: 133,471.80
Step by Step Solution
- Step 1: Write the proportion equation
255,124.80 : 382,479.84 = 89,029.44 : x - Step 2: Convert to fraction form
255,124.80/382,479.84 = 89,029.44/x - Step 3: Cross multiply
255,124.80x = 382,479.84 × 89,029.44 - Step 4: Simplify right side
255,124.80x = 34,051,965,966.49 - Step 5: Solve for x
x = 34,051,965,966.49/255,124.80 - Step 6: Final answer
x = 133,471.80
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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.