Finding the Fourth Proportional to 259,887.74, 389,130.71 and 169,707.06
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Solution
The fourth proportional to 259,887.74, 389,130.71 and 169,707.06 is: 254,102.90
Step by Step Solution
- Step 1: Write the proportion equation
259,887.74 : 389,130.71 = 169,707.06 : x - Step 2: Convert to fraction form
259,887.74/389,130.71 = 169,707.06/x - Step 3: Cross multiply
259,887.74x = 389,130.71 × 169,707.06 - Step 4: Simplify right side
259,887.74x = 66,038,227,901.28 - Step 5: Solve for x
x = 66,038,227,901.28/259,887.74 - Step 6: Final answer
x = 254,102.90
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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.