Finding the Fourth Proportional to 353,818.44, 488,190.42 and 296,688.84
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Solution
The fourth proportional to 353,818.44, 488,190.42 and 296,688.84 is: 409,364.33
Step by Step Solution
- Step 1: Write the proportion equation
353,818.44 : 488,190.42 = 296,688.84 : x - Step 2: Convert to fraction form
353,818.44/488,190.42 = 296,688.84/x - Step 3: Cross multiply
353,818.44x = 488,190.42 × 296,688.84 - Step 4: Simplify right side
353,818.44x = 144,840,649,408.91 - Step 5: Solve for x
x = 144,840,649,408.91/353,818.44 - Step 6: Final answer
x = 409,364.33
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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.