Finding the Fourth Proportional to 377,394.84, 520,800.42 and 281,029.80
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Solution
The fourth proportional to 377,394.84, 520,800.42 and 281,029.80 is: 387,817.80
Step by Step Solution
- Step 1: Write the proportion equation
377,394.84 : 520,800.42 = 281,029.80 : x - Step 2: Convert to fraction form
377,394.84/520,800.42 = 281,029.80/x - Step 3: Cross multiply
377,394.84x = 520,800.42 × 281,029.80 - Step 4: Simplify right side
377,394.84x = 146,360,437,872.52 - Step 5: Solve for x
x = 146,360,437,872.52/377,394.84 - Step 6: Final answer
x = 387,817.80
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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.