Finding the Fourth Proportional to 68,315.69, 102,490.21 and 26,195.02
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Solution
The fourth proportional to 68,315.69, 102,490.21 and 26,195.02 is: 39,298.92
Step by Step Solution
- Step 1: Write the proportion equation
68,315.69 : 102,490.21 = 26,195.02 : x - Step 2: Convert to fraction form
68,315.69/102,490.21 = 26,195.02/x - Step 3: Cross multiply
68,315.69x = 102,490.21 × 26,195.02 - Step 4: Simplify right side
68,315.69x = 2,684,732,877.27 - Step 5: Solve for x
x = 2,684,732,877.27/68,315.69 - Step 6: Final answer
x = 39,298.92
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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.