Finding the Fourth Proportional to 461,988.81, 637,531.61 and 258,033.75
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Solution
The fourth proportional to 461,988.81, 637,531.61 and 258,033.75 is: 356,079.34
Step by Step Solution
- Step 1: Write the proportion equation
461,988.81 : 637,531.61 = 258,033.75 : x - Step 2: Convert to fraction form
461,988.81/637,531.61 = 258,033.75/x - Step 3: Cross multiply
461,988.81x = 637,531.61 × 258,033.75 - Step 4: Simplify right side
461,988.81x = 164,504,670,781.67 - Step 5: Solve for x
x = 164,504,670,781.67/461,988.81 - Step 6: Final answer
x = 356,079.34
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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.