Finding the Fourth Proportional to 506,850.16, 699,449.16 and 280,508.08
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Solution
The fourth proportional to 506,850.16, 699,449.16 and 280,508.08 is: 387,098.90
Step by Step Solution
- Step 1: Write the proportion equation
506,850.16 : 699,449.16 = 280,508.08 : x - Step 2: Convert to fraction form
506,850.16/699,449.16 = 280,508.08/x - Step 3: Cross multiply
506,850.16x = 699,449.16 × 280,508.08 - Step 4: Simplify right side
506,850.16x = 196,201,140,929.21 - Step 5: Solve for x
x = 196,201,140,929.21/506,850.16 - Step 6: Final answer
x = 387,098.90
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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.