Finding the Fourth Proportional to 188,358.84, 259,924.41 and 103,474.08
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Solution
The fourth proportional to 188,358.84, 259,924.41 and 103,474.08 is: 142,788.30
Step by Step Solution
- Step 1: Write the proportion equation
188,358.84 : 259,924.41 = 103,474.08 : x - Step 2: Convert to fraction form
188,358.84/259,924.41 = 103,474.08/x - Step 3: Cross multiply
188,358.84x = 259,924.41 × 103,474.08 - Step 4: Simplify right side
188,358.84x = 26,895,439,194.29 - Step 5: Solve for x
x = 26,895,439,194.29/188,358.84 - Step 6: Final answer
x = 142,788.30
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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.