Finding the Fourth Proportional to 197,371.01, 272,371.78 and 106,726.75
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Solution
The fourth proportional to 197,371.01, 272,371.78 and 106,726.75 is: 147,282.80
Step by Step Solution
- Step 1: Write the proportion equation
197,371.01 : 272,371.78 = 106,726.75 : x - Step 2: Convert to fraction form
197,371.01/272,371.78 = 106,726.75/x - Step 3: Cross multiply
197,371.01x = 272,371.78 × 106,726.75 - Step 4: Simplify right side
197,371.01x = 29,069,354,871.12 - Step 5: Solve for x
x = 29,069,354,871.12/197,371.01 - Step 6: Final answer
x = 147,282.80
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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.