Finding the Fourth Proportional to 351,397.05, 484,922.06 and 190,250.79
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Solution
The fourth proportional to 351,397.05, 484,922.06 and 190,250.79 is: 262,542.91
Step by Step Solution
- Step 1: Write the proportion equation
351,397.05 : 484,922.06 = 190,250.79 : x - Step 2: Convert to fraction form
351,397.05/484,922.06 = 190,250.79/x - Step 3: Cross multiply
351,397.05x = 484,922.06 × 190,250.79 - Step 4: Simplify right side
351,397.05x = 92,256,804,052.17 - Step 5: Solve for x
x = 92,256,804,052.17/351,397.05 - Step 6: Final answer
x = 262,542.91
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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.