Finding the Fourth Proportional to 412,949.09, 619,398.73 and 245,534.79
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Solution
The fourth proportional to 412,949.09, 619,398.73 and 245,534.79 is: 368,287.39
Step by Step Solution
- Step 1: Write the proportion equation
412,949.09 : 619,398.73 = 245,534.79 : x - Step 2: Convert to fraction form
412,949.09/619,398.73 = 245,534.79/x - Step 3: Cross multiply
412,949.09x = 619,398.73 × 245,534.79 - Step 4: Simplify right side
412,949.09x = 152,083,939,726.48 - Step 5: Solve for x
x = 152,083,939,726.48/412,949.09 - Step 6: Final answer
x = 368,287.39
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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.