Finding the Fourth Proportional to 361,916.99, 542,958.89 and 125,259.68
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Solution
The fourth proportional to 361,916.99, 542,958.89 and 125,259.68 is: 187,918.38
Step by Step Solution
- Step 1: Write the proportion equation
361,916.99 : 542,958.89 = 125,259.68 : x - Step 2: Convert to fraction form
361,916.99/542,958.89 = 125,259.68/x - Step 3: Cross multiply
361,916.99x = 542,958.89 × 125,259.68 - Step 4: Simplify right side
361,916.99x = 68,010,853,473.46 - Step 5: Solve for x
x = 68,010,853,473.46/361,916.99 - Step 6: Final answer
x = 187,918.38
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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.