Finding the Fourth Proportional to 185,911.09, 256,558.93 and 101,028.15
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Solution
The fourth proportional to 185,911.09, 256,558.93 and 101,028.15 is: 139,419.73
Step by Step Solution
- Step 1: Write the proportion equation
185,911.09 : 256,558.93 = 101,028.15 : x - Step 2: Convert to fraction form
185,911.09/256,558.93 = 101,028.15/x - Step 3: Cross multiply
185,911.09x = 256,558.93 × 101,028.15 - Step 4: Simplify right side
185,911.09x = 25,919,673,811.31 - Step 5: Solve for x
x = 25,919,673,811.31/185,911.09 - Step 6: Final answer
x = 139,419.73
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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.