Finding the Fourth Proportional to 474,841.76, 655,281.72 and 259,995.68
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Solution
The fourth proportional to 474,841.76, 655,281.72 and 259,995.68 is: 358,794.09
Step by Step Solution
- Step 1: Write the proportion equation
474,841.76 : 655,281.72 = 259,995.68 : x - Step 2: Convert to fraction form
474,841.76/655,281.72 = 259,995.68/x - Step 3: Cross multiply
474,841.76x = 655,281.72 × 259,995.68 - Step 4: Simplify right side
474,841.76x = 170,370,416,382.97 - Step 5: Solve for x
x = 170,370,416,382.97/474,841.76 - Step 6: Final answer
x = 358,794.09
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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.