Finding the Fourth Proportional to 188,569.75, 260,233.55 and 103,684.99
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Solution
The fourth proportional to 188,569.75, 260,233.55 and 103,684.99 is: 143,089.30
Step by Step Solution
- Step 1: Write the proportion equation
188,569.75 : 260,233.55 = 103,684.99 : x - Step 2: Convert to fraction form
188,569.75/260,233.55 = 103,684.99/x - Step 3: Cross multiply
188,569.75x = 260,233.55 × 103,684.99 - Step 4: Simplify right side
188,569.75x = 26,982,313,029.41 - Step 5: Solve for x
x = 26,982,313,029.41/188,569.75 - Step 6: Final answer
x = 143,089.30
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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.