Finding the Fourth Proportional to 445,998.97, 615,989.42 and 293,717.87
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Solution
The fourth proportional to 445,998.97, 615,989.42 and 293,717.87 is: 405,667.08
Step by Step Solution
- Step 1: Write the proportion equation
445,998.97 : 615,989.42 = 293,717.87 : x - Step 2: Convert to fraction form
445,998.97/615,989.42 = 293,717.87/x - Step 3: Cross multiply
445,998.97x = 615,989.42 × 293,717.87 - Step 4: Simplify right side
445,998.97x = 180,927,100,384.94 - Step 5: Solve for x
x = 180,927,100,384.94/445,998.97 - Step 6: Final answer
x = 405,667.08
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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.