Finding the Fourth Proportional to 377,004.18, 520,252.59 and 207,237.09
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Solution
The fourth proportional to 377,004.18, 520,252.59 and 207,237.09 is: 285,979.94
Step by Step Solution
- Step 1: Write the proportion equation
377,004.18 : 520,252.59 = 207,237.09 : x - Step 2: Convert to fraction form
377,004.18/520,252.59 = 207,237.09/x - Step 3: Cross multiply
377,004.18x = 520,252.59 × 207,237.09 - Step 4: Simplify right side
377,004.18x = 107,815,632,816.56 - Step 5: Solve for x
x = 107,815,632,816.56/377,004.18 - Step 6: Final answer
x = 285,979.94
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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.