Finding the Fourth Proportional to 474,809.97, 655,239.68 and 259,970.03
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Solution
The fourth proportional to 474,809.97, 655,239.68 and 259,970.03 is: 358,759.68
Step by Step Solution
- Step 1: Write the proportion equation
474,809.97 : 655,239.68 = 259,970.03 : x - Step 2: Convert to fraction form
474,809.97/655,239.68 = 259,970.03/x - Step 3: Cross multiply
474,809.97x = 655,239.68 × 259,970.03 - Step 4: Simplify right side
474,809.97x = 170,342,674,690.74 - Step 5: Solve for x
x = 170,342,674,690.74/474,809.97 - Step 6: Final answer
x = 358,759.68
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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.