Finding the Fourth Proportional to 134,389.09, 201,612.79 and 40,892.41
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Solution
The fourth proportional to 134,389.09, 201,612.79 and 40,892.41 is: 61,347.49
Step by Step Solution
- Step 1: Write the proportion equation
134,389.09 : 201,612.79 = 40,892.41 : x - Step 2: Convert to fraction form
134,389.09/201,612.79 = 40,892.41/x - Step 3: Cross multiply
134,389.09x = 201,612.79 × 40,892.41 - Step 4: Simplify right side
134,389.09x = 8,244,432,869.92 - Step 5: Solve for x
x = 8,244,432,869.92/134,389.09 - Step 6: Final answer
x = 61,347.49
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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.