Finding the Fourth Proportional to 461,628.36, 637,153.40 and 270,703.26
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Solution
The fourth proportional to 461,628.36, 637,153.40 and 270,703.26 is: 373,632.81
Step by Step Solution
- Step 1: Write the proportion equation
461,628.36 : 637,153.40 = 270,703.26 : x - Step 2: Convert to fraction form
461,628.36/637,153.40 = 270,703.26/x - Step 3: Cross multiply
461,628.36x = 637,153.40 × 270,703.26 - Step 4: Simplify right side
461,628.36x = 172,479,502,500.08 - Step 5: Solve for x
x = 172,479,502,500.08/461,628.36 - Step 6: Final answer
x = 373,632.81
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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.