Finding the Fourth Proportional to 510,351.30, 704,279.21 and 280,903.68
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Solution
The fourth proportional to 510,351.30, 704,279.21 and 280,903.68 is: 387,644.00
Step by Step Solution
- Step 1: Write the proportion equation
510,351.30 : 704,279.21 = 280,903.68 : x - Step 2: Convert to fraction form
510,351.30/704,279.21 = 280,903.68/x - Step 3: Cross multiply
510,351.30x = 704,279.21 × 280,903.68 - Step 4: Simplify right side
510,351.30x = 197,834,620,431.97 - Step 5: Solve for x
x = 197,834,620,431.97/510,351.30 - Step 6: Final answer
x = 387,644.00
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1.5x scale
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.