Finding the Fourth Proportional to 188,544.84, 260,188.38 and 103,660.08
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Solution
The fourth proportional to 188,544.84, 260,188.38 and 103,660.08 is: 143,048.99
Step by Step Solution
- Step 1: Write the proportion equation
188,544.84 : 260,188.38 = 103,660.08 : x - Step 2: Convert to fraction form
188,544.84/260,188.38 = 103,660.08/x - Step 3: Cross multiply
188,544.84x = 260,188.38 × 103,660.08 - Step 4: Simplify right side
188,544.84x = 26,971,148,285.87 - Step 5: Solve for x
x = 26,971,148,285.87/188,544.84 - Step 6: Final answer
x = 143,048.99
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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.