Finding the Fourth Proportional to 140,202.70, 210,272.61 and 40,340.63
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Solution
The fourth proportional to 140,202.70, 210,272.61 and 40,340.63 is: 60,501.90
Step by Step Solution
- Step 1: Write the proportion equation
140,202.70 : 210,272.61 = 40,340.63 : x - Step 2: Convert to fraction form
140,202.70/210,272.61 = 40,340.63/x - Step 3: Cross multiply
140,202.70x = 210,272.61 × 40,340.63 - Step 4: Simplify right side
140,202.70x = 8,482,530,009.19 - Step 5: Solve for x
x = 8,482,530,009.19/140,202.70 - Step 6: Final answer
x = 60,501.90
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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.