Finding the Fourth Proportional to 348,989.15, 481,482.41 and 228,201.14
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Solution
The fourth proportional to 348,989.15, 481,482.41 and 228,201.14 is: 314,837.39
Step by Step Solution
- Step 1: Write the proportion equation
348,989.15 : 481,482.41 = 228,201.14 : x - Step 2: Convert to fraction form
348,989.15/481,482.41 = 228,201.14/x - Step 3: Cross multiply
348,989.15x = 481,482.41 × 228,201.14 - Step 4: Simplify right side
348,989.15x = 109,874,834,914.65 - Step 5: Solve for x
x = 109,874,834,914.65/348,989.15 - Step 6: Final answer
x = 314,837.39
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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.