Finding the Fourth Proportional to 259,527.54, 389,348.98 and 79,637.99
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Solution
The fourth proportional to 259,527.54, 389,348.98 and 79,637.99 is: 119,474.67
Step by Step Solution
- Step 1: Write the proportion equation
259,527.54 : 389,348.98 = 79,637.99 : x - Step 2: Convert to fraction form
259,527.54/389,348.98 = 79,637.99/x - Step 3: Cross multiply
259,527.54x = 389,348.98 × 79,637.99 - Step 4: Simplify right side
259,527.54x = 31,006,968,029.91 - Step 5: Solve for x
x = 31,006,968,029.91/259,527.54 - Step 6: Final answer
x = 119,474.67
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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.