Finding the Fourth Proportional to 249,591.42, 344,396.34 and 142,163.55
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Solution
The fourth proportional to 249,591.42, 344,396.34 and 142,163.55 is: 196,163.02
Step by Step Solution
- Step 1: Write the proportion equation
249,591.42 : 344,396.34 = 142,163.55 : x - Step 2: Convert to fraction form
249,591.42/344,396.34 = 142,163.55/x - Step 3: Cross multiply
249,591.42x = 344,396.34 × 142,163.55 - Step 4: Simplify right side
249,591.42x = 48,960,606,301.41 - Step 5: Solve for x
x = 48,960,606,301.41/249,591.42 - Step 6: Final answer
x = 196,163.02
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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.