Finding the Fourth Proportional to 377,013.87, 520,265.97 and 207,246.78
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Solution
The fourth proportional to 377,013.87, 520,265.97 and 207,246.78 is: 285,993.32
Step by Step Solution
- Step 1: Write the proportion equation
377,013.87 : 520,265.97 = 207,246.78 : x - Step 2: Convert to fraction form
377,013.87/520,265.97 = 207,246.78/x - Step 3: Cross multiply
377,013.87x = 520,265.97 × 207,246.78 - Step 4: Simplify right side
377,013.87x = 107,823,447,026.08 - Step 5: Solve for x
x = 107,823,447,026.08/377,013.87 - Step 6: Final answer
x = 285,993.32
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1.5x scale
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.