Finding the Fourth Proportional to 426,848.44, 589,161.53 and 245,578.94
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Solution
The fourth proportional to 426,848.44, 589,161.53 and 245,578.94 is: 338,962.62
Step by Step Solution
- Step 1: Write the proportion equation
426,848.44 : 589,161.53 = 245,578.94 : x - Step 2: Convert to fraction form
426,848.44/589,161.53 = 245,578.94/x - Step 3: Cross multiply
426,848.44x = 589,161.53 × 245,578.94 - Step 4: Simplify right side
426,848.44x = 144,685,664,026.18 - Step 5: Solve for x
x = 144,685,664,026.18/426,848.44 - Step 6: Final answer
x = 338,962.62
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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.