Finding the Fourth Proportional to 461,403.10, 636,616.02 and 270,313.84
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Solution
The fourth proportional to 461,403.10, 636,616.02 and 270,313.84 is: 372,962.65
Step by Step Solution
- Step 1: Write the proportion equation
461,403.10 : 636,616.02 = 270,313.84 : x - Step 2: Convert to fraction form
461,403.10/636,616.02 = 270,313.84/x - Step 3: Cross multiply
461,403.10x = 636,616.02 × 270,313.84 - Step 4: Simplify right side
461,403.10x = 172,086,120,971.72 - Step 5: Solve for x
x = 172,086,120,971.72/461,403.10 - Step 6: Final answer
x = 372,962.65
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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.