Finding the Fourth Proportional to 214,890.84, 322,335.88 and 57,119.28
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Solution
The fourth proportional to 214,890.84, 322,335.88 and 57,119.28 is: 85,678.82
Step by Step Solution
- Step 1: Write the proportion equation
214,890.84 : 322,335.88 = 57,119.28 : x - Step 2: Convert to fraction form
214,890.84/322,335.88 = 57,119.28/x - Step 3: Cross multiply
214,890.84x = 322,335.88 × 57,119.28 - Step 4: Simplify right side
214,890.84x = 18,411,593,383.77 - Step 5: Solve for x
x = 18,411,593,383.77/214,890.84 - Step 6: Final answer
x = 85,678.82
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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.