Finding the Fourth Proportional to 272,798.48, 409,197.72 and 104,335.92
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Solution
The fourth proportional to 272,798.48, 409,197.72 and 104,335.92 is: 156,503.88
Step by Step Solution
- Step 1: Write the proportion equation
272,798.48 : 409,197.72 = 104,335.92 : x - Step 2: Convert to fraction form
272,798.48/409,197.72 = 104,335.92/x - Step 3: Cross multiply
272,798.48x = 409,197.72 × 104,335.92 - Step 4: Simplify right side
272,798.48x = 42,694,020,578.10 - Step 5: Solve for x
x = 42,694,020,578.10/272,798.48 - Step 6: Final answer
x = 156,503.88
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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.