Finding the Fourth Proportional to 943,126.08, 1,414,948.16 and 278,278.08
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Solution
The fourth proportional to 943,126.08, 1,414,948.16 and 278,278.08 is: 417,493.55
Step by Step Solution
- Step 1: Write the proportion equation
943,126.08 : 1,414,948.16 = 278,278.08 : x - Step 2: Convert to fraction form
943,126.08/1,414,948.16 = 278,278.08/x - Step 3: Cross multiply
943,126.08x = 1,414,948.16 × 278,278.08 - Step 4: Simplify right side
943,126.08x = 393,749,057,264.33 - Step 5: Solve for x
x = 393,749,057,264.33/943,126.08 - Step 6: Final answer
x = 417,493.55
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1.5x scale
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.