Finding the Fourth Proportional to 329,515.84, 454,461.12 and 202,101.76
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Solution
The fourth proportional to 329,515.84, 454,461.12 and 202,101.76 is: 278,734.38
Step by Step Solution
- Step 1: Write the proportion equation
329,515.84 : 454,461.12 = 202,101.76 : x - Step 2: Convert to fraction form
329,515.84/454,461.12 = 202,101.76/x - Step 3: Cross multiply
329,515.84x = 454,461.12 × 202,101.76 - Step 4: Simplify right side
329,515.84x = 91,847,392,203.57 - Step 5: Solve for x
x = 91,847,392,203.57/329,515.84 - Step 6: Final answer
x = 278,734.38
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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.