Finding the Fourth Proportional to 197,508.13, 272,559.28 and 106,862.11
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Solution
The fourth proportional to 197,508.13, 272,559.28 and 106,862.11 is: 147,468.66
Step by Step Solution
- Step 1: Write the proportion equation
197,508.13 : 272,559.28 = 106,862.11 : x - Step 2: Convert to fraction form
197,508.13/272,559.28 = 106,862.11/x - Step 3: Cross multiply
197,508.13x = 272,559.28 × 106,862.11 - Step 4: Simplify right side
197,508.13x = 29,126,259,779.27 - Step 5: Solve for x
x = 29,126,259,779.27/197,508.13 - Step 6: Final answer
x = 147,468.66
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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.