Finding the Fourth Proportional to 377,166.80, 520,476.70 and 207,399.44
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Solution
The fourth proportional to 377,166.80, 520,476.70 and 207,399.44 is: 286,203.81
Step by Step Solution
- Step 1: Write the proportion equation
377,166.80 : 520,476.70 = 207,399.44 : x - Step 2: Convert to fraction form
377,166.80/520,476.70 = 207,399.44/x - Step 3: Cross multiply
377,166.80x = 520,476.70 × 207,399.44 - Step 4: Simplify right side
377,166.80x = 107,946,576,113.05 - Step 5: Solve for x
x = 107,946,576,113.05/377,166.80 - Step 6: Final answer
x = 286,203.81
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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.