Finding the Fourth Proportional to 148,701.22, 205,202.16 and 80,716.75
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Solution
The fourth proportional to 148,701.22, 205,202.16 and 80,716.75 is: 111,386.12
Step by Step Solution
- Step 1: Write the proportion equation
148,701.22 : 205,202.16 = 80,716.75 : x - Step 2: Convert to fraction form
148,701.22/205,202.16 = 80,716.75/x - Step 3: Cross multiply
148,701.22x = 205,202.16 × 80,716.75 - Step 4: Simplify right side
148,701.22x = 16,563,252,089.44 - Step 5: Solve for x
x = 16,563,252,089.44/148,701.22 - Step 6: Final answer
x = 111,386.12
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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.