Finding the Fourth Proportional to 165,541.05, 228,430.84 and 92,927.29
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Solution
The fourth proportional to 165,541.05, 228,430.84 and 92,927.29 is: 128,230.79
Step by Step Solution
- Step 1: Write the proportion equation
165,541.05 : 228,430.84 = 92,927.29 : x - Step 2: Convert to fraction form
165,541.05/228,430.84 = 92,927.29/x - Step 3: Cross multiply
165,541.05x = 228,430.84 × 92,927.29 - Step 4: Simplify right side
165,541.05x = 21,227,458,913.62 - Step 5: Solve for x
x = 21,227,458,913.62/165,541.05 - Step 6: Final answer
x = 128,230.79
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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.