Finding the Fourth Proportional to 546,662.49, 754,226.76 and 317,140.08
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Solution
The fourth proportional to 546,662.49, 754,226.76 and 317,140.08 is: 437,556.15
Step by Step Solution
- Step 1: Write the proportion equation
546,662.49 : 754,226.76 = 317,140.08 : x - Step 2: Convert to fraction form
546,662.49/754,226.76 = 317,140.08/x - Step 3: Cross multiply
546,662.49x = 754,226.76 × 317,140.08 - Step 4: Simplify right side
546,662.49x = 239,195,535,004.54 - Step 5: Solve for x
x = 239,195,535,004.54/546,662.49 - Step 6: Final answer
x = 437,556.15
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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.