Finding the Fourth Proportional to 510,556.99, 704,562.83 and 281,109.48
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Solution
The fourth proportional to 510,556.99, 704,562.83 and 281,109.48 is: 387,927.88
Step by Step Solution
- Step 1: Write the proportion equation
510,556.99 : 704,562.83 = 281,109.48 : x - Step 2: Convert to fraction form
510,556.99/704,562.83 = 281,109.48/x - Step 3: Cross multiply
510,556.99x = 704,562.83 × 281,109.48 - Step 4: Simplify right side
510,556.99x = 198,059,290,547.33 - Step 5: Solve for x
x = 198,059,290,547.33/510,556.99 - Step 6: Final answer
x = 387,927.88
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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.