Finding the Fourth Proportional to 219,164.18, 328,471.85 and 117,712.92
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Solution
The fourth proportional to 219,164.18, 328,471.85 and 117,712.92 is: 176,421.99
Step by Step Solution
- Step 1: Write the proportion equation
219,164.18 : 328,471.85 = 117,712.92 : x - Step 2: Convert to fraction form
219,164.18/328,471.85 = 117,712.92/x - Step 3: Cross multiply
219,164.18x = 328,471.85 × 117,712.92 - Step 4: Simplify right side
219,164.18x = 38,665,380,601.30 - Step 5: Solve for x
x = 38,665,380,601.30/219,164.18 - Step 6: Final answer
x = 176,421.99
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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.