Finding the Fourth Proportional to 153,035.10, 211,183.35 and 84,124.80
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Solution
The fourth proportional to 153,035.10, 211,183.35 and 84,124.80 is: 116,089.43
Step by Step Solution
- Step 1: Write the proportion equation
153,035.10 : 211,183.35 = 84,124.80 : x - Step 2: Convert to fraction form
153,035.10/211,183.35 = 84,124.80/x - Step 3: Cross multiply
153,035.10x = 211,183.35 × 84,124.80 - Step 4: Simplify right side
153,035.10x = 17,765,757,082.08 - Step 5: Solve for x
x = 17,765,757,082.08/153,035.10 - Step 6: Final answer
x = 116,089.43
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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.