Finding the Fourth Proportional to 470,445.93, 705,664.58 and 189,959.13
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Solution
The fourth proportional to 470,445.93, 705,664.58 and 189,959.13 is: 284,936.95
Step by Step Solution
- Step 1: Write the proportion equation
470,445.93 : 705,664.58 = 189,959.13 : x - Step 2: Convert to fraction form
470,445.93/705,664.58 = 189,959.13/x - Step 3: Cross multiply
470,445.93x = 705,664.58 × 189,959.13 - Step 4: Simplify right side
470,445.93x = 134,047,428,738.82 - Step 5: Solve for x
x = 134,047,428,738.82/470,445.93 - Step 6: Final answer
x = 284,936.95
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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.