Finding the Fourth Proportional to 510,557.74, 704,563.87 and 281,110.23
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Solution
The fourth proportional to 510,557.74, 704,563.87 and 281,110.23 is: 387,928.92
Step by Step Solution
- Step 1: Write the proportion equation
510,557.74 : 704,563.87 = 281,110.23 : x - Step 2: Convert to fraction form
510,557.74/704,563.87 = 281,110.23/x - Step 3: Cross multiply
510,557.74x = 704,563.87 × 281,110.23 - Step 4: Simplify right side
510,557.74x = 198,060,110,842.62 - Step 5: Solve for x
x = 198,060,110,842.62/510,557.74 - Step 6: Final answer
x = 387,928.92
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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.