Finding the Fourth Proportional to 165,683.76, 228,508.44 and 101,907.12
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Solution
The fourth proportional to 165,683.76, 228,508.44 and 101,907.12 is: 140,548.70
Step by Step Solution
- Step 1: Write the proportion equation
165,683.76 : 228,508.44 = 101,907.12 : x - Step 2: Convert to fraction form
165,683.76/228,508.44 = 101,907.12/x - Step 3: Cross multiply
165,683.76x = 228,508.44 × 101,907.12 - Step 4: Simplify right side
165,683.76x = 23,286,637,016.09 - Step 5: Solve for x
x = 23,286,637,016.09/165,683.76 - Step 6: Final answer
x = 140,548.70
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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.