Finding the Fourth Proportional to 188,948.18, 260,856.93 and 125,372.18
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Solution
The fourth proportional to 188,948.18, 260,856.93 and 125,372.18 is: 173,085.56
Step by Step Solution
- Step 1: Write the proportion equation
188,948.18 : 260,856.93 = 125,372.18 : x - Step 2: Convert to fraction form
188,948.18/260,856.93 = 125,372.18/x - Step 3: Cross multiply
188,948.18x = 260,856.93 × 125,372.18 - Step 4: Simplify right side
188,948.18x = 32,704,201,982.21 - Step 5: Solve for x
x = 32,704,201,982.21/188,948.18 - Step 6: Final answer
x = 173,085.56
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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.