Finding the Fourth Proportional to 679,231.84, 937,361.04 and 373,302.70
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Solution
The fourth proportional to 679,231.84, 937,361.04 and 373,302.70 is: 515,169.32
Step by Step Solution
- Step 1: Write the proportion equation
679,231.84 : 937,361.04 = 373,302.70 : x - Step 2: Convert to fraction form
679,231.84/937,361.04 = 373,302.70/x - Step 3: Cross multiply
679,231.84x = 937,361.04 × 373,302.70 - Step 4: Simplify right side
679,231.84x = 349,919,407,106.81 - Step 5: Solve for x
x = 349,919,407,106.81/679,231.84 - Step 6: Final answer
x = 515,169.32
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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.