Finding the Fourth Proportional to 212,565.21, 293,318.27 and 130,880.49
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Solution
The fourth proportional to 212,565.21, 293,318.27 and 130,880.49 is: 180,601.70
Step by Step Solution
- Step 1: Write the proportion equation
212,565.21 : 293,318.27 = 130,880.49 : x - Step 2: Convert to fraction form
212,565.21/293,318.27 = 130,880.49/x - Step 3: Cross multiply
212,565.21x = 293,318.27 × 130,880.49 - Step 4: Simplify right side
212,565.21x = 38,389,638,903.55 - Step 5: Solve for x
x = 38,389,638,903.55/212,565.21 - Step 6: Final answer
x = 180,601.70
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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.