Finding the Fourth Proportional to 165,664.44, 228,639.51 and 97,700.58
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Solution
The fourth proportional to 165,664.44, 228,639.51 and 97,700.58 is: 134,840.12
Step by Step Solution
- Step 1: Write the proportion equation
165,664.44 : 228,639.51 = 97,700.58 : x - Step 2: Convert to fraction form
165,664.44/228,639.51 = 97,700.58/x - Step 3: Cross multiply
165,664.44x = 228,639.51 × 97,700.58 - Step 4: Simplify right side
165,664.44x = 22,338,212,737.92 - Step 5: Solve for x
x = 22,338,212,737.92/165,664.44 - Step 6: Final answer
x = 134,840.12
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1.5x scale
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.