Finding the Fourth Proportional to 402,441.82, 555,138.44 and 251,276.38
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Solution
The fourth proportional to 402,441.82, 555,138.44 and 251,276.38 is: 346,617.00
Step by Step Solution
- Step 1: Write the proportion equation
402,441.82 : 555,138.44 = 251,276.38 : x - Step 2: Convert to fraction form
402,441.82/555,138.44 = 251,276.38/x - Step 3: Cross multiply
402,441.82x = 555,138.44 × 251,276.38 - Step 4: Simplify right side
402,441.82x = 139,493,177,313.54 - Step 5: Solve for x
x = 139,493,177,313.54/402,441.82 - Step 6: Final answer
x = 346,617.00
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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.