Finding the Fourth Proportional to 307,329.12, 460,720.08 and 120,470.88
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Solution
The fourth proportional to 307,329.12, 460,720.08 and 120,470.88 is: 180,599.07
Step by Step Solution
- Step 1: Write the proportion equation
307,329.12 : 460,720.08 = 120,470.88 : x - Step 2: Convert to fraction form
307,329.12/460,720.08 = 120,470.88/x - Step 3: Cross multiply
307,329.12x = 460,720.08 × 120,470.88 - Step 4: Simplify right side
307,329.12x = 55,503,353,471.27 - Step 5: Solve for x
x = 55,503,353,471.27/307,329.12 - Step 6: Final answer
x = 180,599.07
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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.