Finding the Fourth Proportional to 377,022.36, 520,257.42 and 207,252.84
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Solution
The fourth proportional to 377,022.36, 520,257.42 and 207,252.84 is: 285,990.54
Step by Step Solution
- Step 1: Write the proportion equation
377,022.36 : 520,257.42 = 207,252.84 : x - Step 2: Convert to fraction form
377,022.36/520,257.42 = 207,252.84/x - Step 3: Cross multiply
377,022.36x = 520,257.42 × 207,252.84 - Step 4: Simplify right side
377,022.36x = 107,824,827,826.07 - Step 5: Solve for x
x = 107,824,827,826.07/377,022.36 - Step 6: Final answer
x = 285,990.54
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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.