Finding the Fourth Proportional to 153,183.18, 211,391.58 and 84,271.14
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Solution
The fourth proportional to 153,183.18, 211,391.58 and 84,271.14 is: 116,293.51
Step by Step Solution
- Step 1: Write the proportion equation
153,183.18 : 211,391.58 = 84,271.14 : x - Step 2: Convert to fraction form
153,183.18/211,391.58 = 84,271.14/x - Step 3: Cross multiply
153,183.18x = 211,391.58 × 84,271.14 - Step 4: Simplify right side
153,183.18x = 17,814,209,433.00 - Step 5: Solve for x
x = 17,814,209,433.00/153,183.18 - Step 6: Final answer
x = 116,293.51
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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.