Finding the Fourth Proportional to 259,268.02, 388,894.74 and 141,683.98
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Solution
The fourth proportional to 259,268.02, 388,894.74 and 141,683.98 is: 212,521.99
Step by Step Solution
- Step 1: Write the proportion equation
259,268.02 : 388,894.74 = 141,683.98 : x - Step 2: Convert to fraction form
259,268.02/388,894.74 = 141,683.98/x - Step 3: Cross multiply
259,268.02x = 388,894.74 × 141,683.98 - Step 4: Simplify right side
259,268.02x = 55,100,154,564.27 - Step 5: Solve for x
x = 55,100,154,564.27/259,268.02 - Step 6: Final answer
x = 212,521.99
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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.