Finding the Fourth Proportional to 148,170.99, 204,473.87 and 84,509.85
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Solution
The fourth proportional to 148,170.99, 204,473.87 and 84,509.85 is: 116,622.39
Step by Step Solution
- Step 1: Write the proportion equation
148,170.99 : 204,473.87 = 84,509.85 : x - Step 2: Convert to fraction form
148,170.99/204,473.87 = 84,509.85/x - Step 3: Cross multiply
148,170.99x = 204,473.87 × 84,509.85 - Step 4: Simplify right side
148,170.99x = 17,280,055,660.07 - Step 5: Solve for x
x = 17,280,055,660.07/148,170.99 - Step 6: Final answer
x = 116,622.39
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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.