Finding the Fourth Proportional to 152,217.24, 228,258.36 and 81,126.63
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Solution
The fourth proportional to 152,217.24, 228,258.36 and 81,126.63 is: 121,653.97
Step by Step Solution
- Step 1: Write the proportion equation
152,217.24 : 228,258.36 = 81,126.63 : x - Step 2: Convert to fraction form
152,217.24/228,258.36 = 81,126.63/x - Step 3: Cross multiply
152,217.24x = 228,258.36 × 81,126.63 - Step 4: Simplify right side
152,217.24x = 18,517,831,516.13 - Step 5: Solve for x
x = 18,517,831,516.13/152,217.24 - Step 6: Final answer
x = 121,653.97
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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.