Finding the Fourth Proportional to 219,195.18, 328,754.97 and 61,386.12
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Solution
The fourth proportional to 219,195.18, 328,754.97 and 61,386.12 is: 92,068.59
Step by Step Solution
- Step 1: Write the proportion equation
219,195.18 : 328,754.97 = 61,386.12 : x - Step 2: Convert to fraction form
219,195.18/328,754.97 = 61,386.12/x - Step 3: Cross multiply
219,195.18x = 328,754.97 × 61,386.12 - Step 4: Simplify right side
219,195.18x = 20,180,992,039.02 - Step 5: Solve for x
x = 20,180,992,039.02/219,195.18 - Step 6: Final answer
x = 92,068.59
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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.