Finding the Fourth Proportional to 249,455.63, 374,138.49 and 71,919.02
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Solution
The fourth proportional to 249,455.63, 374,138.49 and 71,919.02 is: 107,865.57
Step by Step Solution
- Step 1: Write the proportion equation
249,455.63 : 374,138.49 = 71,919.02 : x - Step 2: Convert to fraction form
249,455.63/374,138.49 = 71,919.02/x - Step 3: Cross multiply
249,455.63x = 374,138.49 × 71,919.02 - Step 4: Simplify right side
249,455.63x = 26,907,673,545.08 - Step 5: Solve for x
x = 26,907,673,545.08/249,455.63 - Step 6: Final answer
x = 107,865.57
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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.