Finding the Fourth Proportional to 387,874.56, 535,419.36 and 244,606.08
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Solution
The fourth proportional to 387,874.56, 535,419.36 and 244,606.08 is: 337,652.54
Step by Step Solution
- Step 1: Write the proportion equation
387,874.56 : 535,419.36 = 244,606.08 : x - Step 2: Convert to fraction form
387,874.56/535,419.36 = 244,606.08/x - Step 3: Cross multiply
387,874.56x = 535,419.36 × 244,606.08 - Step 4: Simplify right side
387,874.56x = 130,966,830,805.71 - Step 5: Solve for x
x = 130,966,830,805.71/387,874.56 - Step 6: Final answer
x = 337,652.54
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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.