Finding the Fourth Proportional to 504,971.16, 696,860.20 and 278,616.66
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Solution
The fourth proportional to 504,971.16, 696,860.20 and 278,616.66 is: 384,490.99
Step by Step Solution
- Step 1: Write the proportion equation
504,971.16 : 696,860.20 = 278,616.66 : x - Step 2: Convert to fraction form
504,971.16/696,860.20 = 278,616.66/x - Step 3: Cross multiply
504,971.16x = 696,860.20 × 278,616.66 - Step 4: Simplify right side
504,971.16x = 194,156,859,145.98 - Step 5: Solve for x
x = 194,156,859,145.98/504,971.16 - Step 6: Final answer
x = 384,490.99
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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.