Finding the Fourth Proportional to 490,867.10, 736,118.36 and 170,936.84
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Solution
The fourth proportional to 490,867.10, 736,118.36 and 170,936.84 is: 256,341.78
Step by Step Solution
- Step 1: Write the proportion equation
490,867.10 : 736,118.36 = 170,936.84 : x - Step 2: Convert to fraction form
490,867.10/736,118.36 = 170,936.84/x - Step 3: Cross multiply
490,867.10x = 736,118.36 × 170,936.84 - Step 4: Simplify right side
490,867.10x = 125,829,746,324.38 - Step 5: Solve for x
x = 125,829,746,324.38/490,867.10 - Step 6: Final answer
x = 256,341.78
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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.