Finding the Fourth Proportional to 329,457.17, 493,621.04 and 221,183.75
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Solution
The fourth proportional to 329,457.17, 493,621.04 and 221,183.75 is: 331,396.49
Step by Step Solution
- Step 1: Write the proportion equation
329,457.17 : 493,621.04 = 221,183.75 : x - Step 2: Convert to fraction form
329,457.17/493,621.04 = 221,183.75/x - Step 3: Cross multiply
329,457.17x = 493,621.04 × 221,183.75 - Step 4: Simplify right side
329,457.17x = 109,180,949,132.08 - Step 5: Solve for x
x = 109,180,949,132.08/329,457.17 - Step 6: Final answer
x = 331,396.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.