Finding the Fourth Proportional to 369,207.66, 509,676.66 and 216,224.58
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Solution
The fourth proportional to 369,207.66, 509,676.66 and 216,224.58 is: 298,489.53
Step by Step Solution
- Step 1: Write the proportion equation
369,207.66 : 509,676.66 = 216,224.58 : x - Step 2: Convert to fraction form
369,207.66/509,676.66 = 216,224.58/x - Step 3: Cross multiply
369,207.66x = 509,676.66 × 216,224.58 - Step 4: Simplify right side
369,207.66x = 110,204,621,744.30 - Step 5: Solve for x
x = 110,204,621,744.30/369,207.66 - Step 6: Final answer
x = 298,489.53
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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.