Finding the Fourth Proportional to 106,306.23, 159,465.17 and 43,116.98
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Solution
The fourth proportional to 106,306.23, 159,465.17 and 43,116.98 is: 64,677.82
Step by Step Solution
- Step 1: Write the proportion equation
106,306.23 : 159,465.17 = 43,116.98 : x - Step 2: Convert to fraction form
106,306.23/159,465.17 = 43,116.98/x - Step 3: Cross multiply
106,306.23x = 159,465.17 × 43,116.98 - Step 4: Simplify right side
106,306.23x = 6,875,655,856.05 - Step 5: Solve for x
x = 6,875,655,856.05/106,306.23 - Step 6: Final answer
x = 64,677.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.