Finding the Fourth Proportional to 474,792.48, 655,221.84 and 259,929.12
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Solution
The fourth proportional to 474,792.48, 655,221.84 and 259,929.12 is: 358,706.68
Step by Step Solution
- Step 1: Write the proportion equation
474,792.48 : 655,221.84 = 259,929.12 : x - Step 2: Convert to fraction form
474,792.48/655,221.84 = 259,929.12/x - Step 3: Cross multiply
474,792.48x = 655,221.84 × 259,929.12 - Step 4: Simplify right side
474,792.48x = 170,311,236,275.98 - Step 5: Solve for x
x = 170,311,236,275.98/474,792.48 - Step 6: Final answer
x = 358,706.68
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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.