Finding the Fourth Proportional to 261,865.74, 392,823.99 and 104,058.84
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Solution
The fourth proportional to 261,865.74, 392,823.99 and 104,058.84 is: 156,098.35
Step by Step Solution
- Step 1: Write the proportion equation
261,865.74 : 392,823.99 = 104,058.84 : x - Step 2: Convert to fraction form
261,865.74/392,823.99 = 104,058.84/x - Step 3: Cross multiply
261,865.74x = 392,823.99 × 104,058.84 - Step 4: Simplify right side
261,865.74x = 40,876,808,723.57 - Step 5: Solve for x
x = 40,876,808,723.57/261,865.74 - Step 6: Final answer
x = 156,098.35
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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.