Finding the Fourth Proportional to 424,313.64, 585,544.14 and 233,323.74
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Solution
The fourth proportional to 424,313.64, 585,544.14 and 233,323.74 is: 321,981.99
Step by Step Solution
- Step 1: Write the proportion equation
424,313.64 : 585,544.14 = 233,323.74 : x - Step 2: Convert to fraction form
424,313.64/585,544.14 = 233,323.74/x - Step 3: Cross multiply
424,313.64x = 585,544.14 × 233,323.74 - Step 4: Simplify right side
424,313.64x = 136,621,348,679.88 - Step 5: Solve for x
x = 136,621,348,679.88/424,313.64 - Step 6: Final answer
x = 321,981.99
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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.