Finding the Fourth Proportional to 180,749.03, 249,433.68 and 100,181.75
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Solution
The fourth proportional to 180,749.03, 249,433.68 and 100,181.75 is: 138,250.82
Step by Step Solution
- Step 1: Write the proportion equation
180,749.03 : 249,433.68 = 100,181.75 : x - Step 2: Convert to fraction form
180,749.03/249,433.68 = 100,181.75/x - Step 3: Cross multiply
180,749.03x = 249,433.68 × 100,181.75 - Step 4: Simplify right side
180,749.03x = 24,988,701,324.17 - Step 5: Solve for x
x = 24,988,701,324.17/180,749.03 - Step 6: Final answer
x = 138,250.82
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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.