Finding the Fourth Proportional to 165,828.09, 228,843.53 and 94,212.05
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Solution
The fourth proportional to 165,828.09, 228,843.53 and 94,212.05 is: 130,013.06
Step by Step Solution
- Step 1: Write the proportion equation
165,828.09 : 228,843.53 = 94,212.05 : x - Step 2: Convert to fraction form
165,828.09/228,843.53 = 94,212.05/x - Step 3: Cross multiply
165,828.09x = 228,843.53 × 94,212.05 - Step 4: Simplify right side
165,828.09x = 21,559,818,090.54 - Step 5: Solve for x
x = 21,559,818,090.54/165,828.09 - Step 6: Final answer
x = 130,013.06
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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.