Finding the Fourth Proportional to 457,130.99, 630,806.43 and 263,401.07
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Solution
The fourth proportional to 457,130.99, 630,806.43 and 263,401.07 is: 363,473.69
Step by Step Solution
- Step 1: Write the proportion equation
457,130.99 : 630,806.43 = 263,401.07 : x - Step 2: Convert to fraction form
457,130.99/630,806.43 = 263,401.07/x - Step 3: Cross multiply
457,130.99x = 630,806.43 × 263,401.07 - Step 4: Simplify right side
457,130.99x = 166,155,086,458.60 - Step 5: Solve for x
x = 166,155,086,458.60/457,130.99 - Step 6: Final answer
x = 363,473.69
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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.