Finding the Fourth Proportional to 468,619.42, 646,697.87 and 253,759.49
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Solution
The fourth proportional to 468,619.42, 646,697.87 and 253,759.49 is: 350,189.76
Step by Step Solution
- Step 1: Write the proportion equation
468,619.42 : 646,697.87 = 253,759.49 : x - Step 2: Convert to fraction form
468,619.42/646,697.87 = 253,759.49/x - Step 3: Cross multiply
468,619.42x = 646,697.87 × 253,759.49 - Step 4: Simplify right side
468,619.42x = 164,105,722,974.83 - Step 5: Solve for x
x = 164,105,722,974.83/468,619.42 - Step 6: Final answer
x = 350,189.76
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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.