Finding the Fourth Proportional to 180,404.42, 249,163.70 and 122,944.64
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Solution
The fourth proportional to 180,404.42, 249,163.70 and 122,944.64 is: 169,803.71
Step by Step Solution
- Step 1: Write the proportion equation
180,404.42 : 249,163.70 = 122,944.64 : x - Step 2: Convert to fraction form
180,404.42/249,163.70 = 122,944.64/x - Step 3: Cross multiply
180,404.42x = 249,163.70 × 122,944.64 - Step 4: Simplify right side
180,404.42x = 30,633,339,537.03 - Step 5: Solve for x
x = 30,633,339,537.03/180,404.42 - Step 6: Final answer
x = 169,803.71
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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.