Finding the Fourth Proportional to 219,285.09, 328,939.29 and 69,537.19
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Solution
The fourth proportional to 219,285.09, 328,939.29 and 69,537.19 is: 104,309.48
Step by Step Solution
- Step 1: Write the proportion equation
219,285.09 : 328,939.29 = 69,537.19 : x - Step 2: Convert to fraction form
219,285.09/328,939.29 = 69,537.19/x - Step 3: Cross multiply
219,285.09x = 328,939.29 × 69,537.19 - Step 4: Simplify right side
219,285.09x = 22,873,513,907.20 - Step 5: Solve for x
x = 22,873,513,907.20/219,285.09 - Step 6: Final answer
x = 104,309.48
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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.