Finding the Fourth Proportional to 351,738.84, 485,408.56 and 215,847.84
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Solution
The fourth proportional to 351,738.84, 485,408.56 and 215,847.84 is: 297,875.52
Step by Step Solution
- Step 1: Write the proportion equation
351,738.84 : 485,408.56 = 215,847.84 : x - Step 2: Convert to fraction form
351,738.84/485,408.56 = 215,847.84/x - Step 3: Cross multiply
351,738.84x = 485,408.56 × 215,847.84 - Step 4: Simplify right side
351,738.84x = 104,774,389,193.51 - Step 5: Solve for x
x = 104,774,389,193.51/351,738.84 - Step 6: Final answer
x = 297,875.52
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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.