Finding the Fourth Proportional to 309,335.14, 426,954.81 and 201,717.73
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Solution
The fourth proportional to 309,335.14, 426,954.81 and 201,717.73 is: 278,417.63
Step by Step Solution
- Step 1: Write the proportion equation
309,335.14 : 426,954.81 = 201,717.73 : x - Step 2: Convert to fraction form
309,335.14/426,954.81 = 201,717.73/x - Step 3: Cross multiply
309,335.14x = 426,954.81 × 201,717.73 - Step 4: Simplify right side
309,335.14x = 86,124,355,085.78 - Step 5: Solve for x
x = 86,124,355,085.78/309,335.14 - Step 6: Final answer
x = 278,417.63
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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.