Finding the Fourth Proportional to 212,607.59, 318,867.57 and 94,203.41
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Solution
The fourth proportional to 212,607.59, 318,867.57 and 94,203.41 is: 141,285.70
Step by Step Solution
- Step 1: Write the proportion equation
212,607.59 : 318,867.57 = 94,203.41 : x - Step 2: Convert to fraction form
212,607.59/318,867.57 = 94,203.41/x - Step 3: Cross multiply
212,607.59x = 318,867.57 × 94,203.41 - Step 4: Simplify right side
212,607.59x = 30,038,410,838.08 - Step 5: Solve for x
x = 30,038,410,838.08/212,607.59 - Step 6: Final answer
x = 141,285.70
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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.