Finding the Fourth Proportional to 314,710.99, 472,069.76 and 251,930.20
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Solution
The fourth proportional to 314,710.99, 472,069.76 and 251,930.20 is: 377,897.92
Step by Step Solution
- Step 1: Write the proportion equation
314,710.99 : 472,069.76 = 251,930.20 : x - Step 2: Convert to fraction form
314,710.99/472,069.76 = 251,930.20/x - Step 3: Cross multiply
314,710.99x = 472,069.76 × 251,930.20 - Step 4: Simplify right side
314,710.99x = 118,928,629,050.75 - Step 5: Solve for x
x = 118,928,629,050.75/314,710.99 - Step 6: Final answer
x = 377,897.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.