Finding the Fourth Proportional to 165,907.41, 228,945.64 and 97,946.28
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Solution
The fourth proportional to 165,907.41, 228,945.64 and 97,946.28 is: 135,161.98
Step by Step Solution
- Step 1: Write the proportion equation
165,907.41 : 228,945.64 = 97,946.28 : x - Step 2: Convert to fraction form
165,907.41/228,945.64 = 97,946.28/x - Step 3: Cross multiply
165,907.41x = 228,945.64 × 97,946.28 - Step 4: Simplify right side
165,907.41x = 22,424,373,760.22 - Step 5: Solve for x
x = 22,424,373,760.22/165,907.41 - Step 6: Final answer
x = 135,161.98
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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.