Finding the Fourth Proportional to 329,430.99, 454,615.16 and 178,527.99
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Solution
The fourth proportional to 329,430.99, 454,615.16 and 178,527.99 is: 246,368.84
Step by Step Solution
- Step 1: Write the proportion equation
329,430.99 : 454,615.16 = 178,527.99 : x - Step 2: Convert to fraction form
329,430.99/454,615.16 = 178,527.99/x - Step 3: Cross multiply
329,430.99x = 454,615.16 × 178,527.99 - Step 4: Simplify right side
329,430.99x = 81,161,529,845.69 - Step 5: Solve for x
x = 81,161,529,845.69/329,430.99 - Step 6: Final answer
x = 246,368.84
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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.