Finding the Fourth Proportional to 349,444.71, 481,043.66 and 258,629.54
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Solution
The fourth proportional to 349,444.71, 481,043.66 and 258,629.54 is: 356,027.99
Step by Step Solution
- Step 1: Write the proportion equation
349,444.71 : 481,043.66 = 258,629.54 : x - Step 2: Convert to fraction form
349,444.71/481,043.66 = 258,629.54/x - Step 3: Cross multiply
349,444.71x = 481,043.66 × 258,629.54 - Step 4: Simplify right side
349,444.71x = 124,412,096,807.35 - Step 5: Solve for x
x = 124,412,096,807.35/349,444.71 - Step 6: Final answer
x = 356,027.99
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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.