Finding the Fourth Proportional to 546,921.28, 754,753.08 and 305,214.08
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Solution
The fourth proportional to 546,921.28, 754,753.08 and 305,214.08 is: 421,196.39
Step by Step Solution
- Step 1: Write the proportion equation
546,921.28 : 754,753.08 = 305,214.08 : x - Step 2: Convert to fraction form
546,921.28/754,753.08 = 305,214.08/x - Step 3: Cross multiply
546,921.28x = 754,753.08 × 305,214.08 - Step 4: Simplify right side
546,921.28x = 230,361,266,939.37 - Step 5: Solve for x
x = 230,361,266,939.37/546,921.28 - Step 6: Final answer
x = 421,196.39
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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.