Finding the Fourth Proportional to 134,418.05, 201,627.65 and 54,457.58
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Solution
The fourth proportional to 134,418.05, 201,627.65 and 54,457.58 is: 81,686.59
Step by Step Solution
- Step 1: Write the proportion equation
134,418.05 : 201,627.65 = 54,457.58 : x - Step 2: Convert to fraction form
134,418.05/201,627.65 = 54,457.58/x - Step 3: Cross multiply
134,418.05x = 201,627.65 × 54,457.58 - Step 4: Simplify right side
134,418.05x = 10,980,152,599.66 - Step 5: Solve for x
x = 10,980,152,599.66/134,418.05 - Step 6: Final answer
x = 81,686.59
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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.