Finding the Fourth Proportional to 246,719.19, 369,780.57 and 120,169.80
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Solution
The fourth proportional to 246,719.19, 369,780.57 and 120,169.80 is: 180,109.45
Step by Step Solution
- Step 1: Write the proportion equation
246,719.19 : 369,780.57 = 120,169.80 : x - Step 2: Convert to fraction form
246,719.19/369,780.57 = 120,169.80/x - Step 3: Cross multiply
246,719.19x = 369,780.57 × 120,169.80 - Step 4: Simplify right side
246,719.19x = 44,436,457,140.79 - Step 5: Solve for x
x = 44,436,457,140.79/246,719.19 - Step 6: Final answer
x = 180,109.45
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1.5x scale
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.