Finding the Fourth Proportional to 192,901.84, 266,201.64 and 106,860.55
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Solution
The fourth proportional to 192,901.84, 266,201.64 and 106,860.55 is: 147,465.95
Step by Step Solution
- Step 1: Write the proportion equation
192,901.84 : 266,201.64 = 106,860.55 : x - Step 2: Convert to fraction form
192,901.84/266,201.64 = 106,860.55/x - Step 3: Cross multiply
192,901.84x = 266,201.64 × 106,860.55 - Step 4: Simplify right side
192,901.84x = 28,446,453,661.30 - Step 5: Solve for x
x = 28,446,453,661.30/192,901.84 - Step 6: Final answer
x = 147,465.95
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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.