Finding the Fourth Proportional to 249,529.35, 344,350.11 and 142,099.41
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Solution
The fourth proportional to 249,529.35, 344,350.11 and 142,099.41 is: 196,096.96
Step by Step Solution
- Step 1: Write the proportion equation
249,529.35 : 344,350.11 = 142,099.41 : x - Step 2: Convert to fraction form
249,529.35/344,350.11 = 142,099.41/x - Step 3: Cross multiply
249,529.35x = 344,350.11 × 142,099.41 - Step 4: Simplify right side
249,529.35x = 48,931,947,464.44 - Step 5: Solve for x
x = 48,931,947,464.44/249,529.35 - Step 6: Final answer
x = 196,096.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.