Finding the Fourth Proportional to 180,155.99, 248,639.96 and 103,673.51
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Solution
The fourth proportional to 180,155.99, 248,639.96 and 103,673.51 is: 143,083.66
Step by Step Solution
- Step 1: Write the proportion equation
180,155.99 : 248,639.96 = 103,673.51 : x - Step 2: Convert to fraction form
180,155.99/248,639.96 = 103,673.51/x - Step 3: Cross multiply
180,155.99x = 248,639.96 × 103,673.51 - Step 4: Simplify right side
180,155.99x = 25,777,376,861.09 - Step 5: Solve for x
x = 25,777,376,861.09/180,155.99 - Step 6: Final answer
x = 143,083.66
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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.