Finding the Fourth Proportional to 377,389.77, 520,797.11 and 207,623.49
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Solution
The fourth proportional to 377,389.77, 520,797.11 and 207,623.49 is: 286,519.99
Step by Step Solution
- Step 1: Write the proportion equation
377,389.77 : 520,797.11 = 207,623.49 : x - Step 2: Convert to fraction form
377,389.77/520,797.11 = 207,623.49/x - Step 3: Cross multiply
377,389.77x = 520,797.11 × 207,623.49 - Step 4: Simplify right side
377,389.77x = 108,129,712,522.00 - Step 5: Solve for x
x = 108,129,712,522.00/377,389.77 - Step 6: Final answer
x = 286,519.99
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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.