Finding the Fourth Proportional to 192,775.21, 266,038.10 and 106,734.19
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Solution
The fourth proportional to 192,775.21, 266,038.10 and 106,734.19 is: 147,297.78
Step by Step Solution
- Step 1: Write the proportion equation
192,775.21 : 266,038.10 = 106,734.19 : x - Step 2: Convert to fraction form
192,775.21/266,038.10 = 106,734.19/x - Step 3: Cross multiply
192,775.21x = 266,038.10 × 106,734.19 - Step 4: Simplify right side
192,775.21x = 28,395,361,013.07 - Step 5: Solve for x
x = 28,395,361,013.07/192,775.21 - Step 6: Final answer
x = 147,297.78
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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.