Finding the Fourth Proportional to 148,949.21, 205,526.97 and 88,497.47
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Solution
The fourth proportional to 148,949.21, 205,526.97 and 88,497.47 is: 122,112.88
Step by Step Solution
- Step 1: Write the proportion equation
148,949.21 : 205,526.97 = 88,497.47 : x - Step 2: Convert to fraction form
148,949.21/205,526.97 = 88,497.47/x - Step 3: Cross multiply
148,949.21x = 205,526.97 × 88,497.47 - Step 4: Simplify right side
148,949.21x = 18,188,615,834.13 - Step 5: Solve for x
x = 18,188,615,834.13/148,949.21 - Step 6: Final answer
x = 122,112.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.