Finding the Fourth Proportional to 174,457.80, 261,686.70 and 43,129.80
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Solution
The fourth proportional to 174,457.80, 261,686.70 and 43,129.80 is: 64,694.70
Step by Step Solution
- Step 1: Write the proportion equation
174,457.80 : 261,686.70 = 43,129.80 : x - Step 2: Convert to fraction form
174,457.80/261,686.70 = 43,129.80/x - Step 3: Cross multiply
174,457.80x = 261,686.70 × 43,129.80 - Step 4: Simplify right side
174,457.80x = 11,286,495,033.66 - Step 5: Solve for x
x = 11,286,495,033.66/174,457.80 - Step 6: Final answer
x = 64,694.70
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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.