Finding the Fourth Proportional to 377,208.97, 520,538.00 and 207,443.09
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Solution
The fourth proportional to 377,208.97, 520,538.00 and 207,443.09 is: 286,265.76
Step by Step Solution
- Step 1: Write the proportion equation
377,208.97 : 520,538.00 = 207,443.09 : x - Step 2: Convert to fraction form
377,208.97/520,538.00 = 207,443.09/x - Step 3: Cross multiply
377,208.97x = 520,538.00 × 207,443.09 - Step 4: Simplify right side
377,208.97x = 107,982,011,446.55 - Step 5: Solve for x
x = 107,982,011,446.55/377,208.97 - Step 6: Final answer
x = 286,265.76
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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.