Finding the Fourth Proportional to 319,324.58, 440,664.68 and 174,130.01
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Solution
The fourth proportional to 319,324.58, 440,664.68 and 174,130.01 is: 240,297.64
Step by Step Solution
- Step 1: Write the proportion equation
319,324.58 : 440,664.68 = 174,130.01 : x - Step 2: Convert to fraction form
319,324.58/440,664.68 = 174,130.01/x - Step 3: Cross multiply
319,324.58x = 440,664.68 × 174,130.01 - Step 4: Simplify right side
319,324.58x = 76,732,942,061.07 - Step 5: Solve for x
x = 76,732,942,061.07/319,324.58 - Step 6: Final answer
x = 240,297.64
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1.5x scale
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.