Finding the Fourth Proportional to 219,006.08, 328,428.93 and 106,652.60
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Solution
The fourth proportional to 219,006.08, 328,428.93 and 106,652.60 is: 159,939.85
Step by Step Solution
- Step 1: Write the proportion equation
219,006.08 : 328,428.93 = 106,652.60 : x - Step 2: Convert to fraction form
219,006.08/328,428.93 = 106,652.60/x - Step 3: Cross multiply
219,006.08x = 328,428.93 × 106,652.60 - Step 4: Simplify right side
219,006.08x = 35,027,799,299.72 - Step 5: Solve for x
x = 35,027,799,299.72/219,006.08 - Step 6: Final answer
x = 159,939.85
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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.