Finding the Fourth Proportional to 174,763.11, 261,580.83 and 90,407.12
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Solution
The fourth proportional to 174,763.11, 261,580.83 and 90,407.12 is: 135,318.99
Step by Step Solution
- Step 1: Write the proportion equation
174,763.11 : 261,580.83 = 90,407.12 : x - Step 2: Convert to fraction form
174,763.11/261,580.83 = 90,407.12/x - Step 3: Cross multiply
174,763.11x = 261,580.83 × 90,407.12 - Step 4: Simplify right side
174,763.11x = 23,648,767,840.58 - Step 5: Solve for x
x = 23,648,767,840.58/174,763.11 - Step 6: Final answer
x = 135,318.99
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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.