Finding the Fourth Proportional to 259,995.16, 358,446.36 and 206,457.40
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Solution
The fourth proportional to 259,995.16, 358,446.36 and 206,457.40 is: 284,635.70
Step by Step Solution
- Step 1: Write the proportion equation
259,995.16 : 358,446.36 = 206,457.40 : x - Step 2: Convert to fraction form
259,995.16/358,446.36 = 206,457.40/x - Step 3: Cross multiply
259,995.16x = 358,446.36 × 206,457.40 - Step 4: Simplify right side
259,995.16x = 74,003,903,525.06 - Step 5: Solve for x
x = 74,003,903,525.06/259,995.16 - Step 6: Final answer
x = 284,635.70
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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.