Finding the Fourth Proportional to 235,865.79, 353,503.37 and 185,747.99
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Solution
The fourth proportional to 235,865.79, 353,503.37 and 185,747.99 is: 278,389.41
Step by Step Solution
- Step 1: Write the proportion equation
235,865.79 : 353,503.37 = 185,747.99 : x - Step 2: Convert to fraction form
235,865.79/353,503.37 = 185,747.99/x - Step 3: Cross multiply
235,865.79x = 353,503.37 × 185,747.99 - Step 4: Simplify right side
235,865.79x = 65,662,539,132.58 - Step 5: Solve for x
x = 65,662,539,132.58/235,865.79 - Step 6: Final answer
x = 278,389.41
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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.