Finding the Fourth Proportional to 245,948.91, 368,923.36 and 68,460.54
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Solution
The fourth proportional to 245,948.91, 368,923.36 and 68,460.54 is: 102,690.81
Step by Step Solution
- Step 1: Write the proportion equation
245,948.91 : 368,923.36 = 68,460.54 : x - Step 2: Convert to fraction form
245,948.91/368,923.36 = 68,460.54/x - Step 3: Cross multiply
245,948.91x = 368,923.36 × 68,460.54 - Step 4: Simplify right side
245,948.91x = 25,256,693,093.16 - Step 5: Solve for x
x = 25,256,693,093.16/245,948.91 - Step 6: Final answer
x = 102,690.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.