Finding the Fourth Proportional to 153,532.44, 211,837.68 and 86,464.44
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Solution
The fourth proportional to 153,532.44, 211,837.68 and 86,464.44 is: 119,300.04
Step by Step Solution
- Step 1: Write the proportion equation
153,532.44 : 211,837.68 = 86,464.44 : x - Step 2: Convert to fraction form
153,532.44/211,837.68 = 86,464.44/x - Step 3: Cross multiply
153,532.44x = 211,837.68 × 86,464.44 - Step 4: Simplify right side
153,532.44x = 18,316,426,372.10 - Step 5: Solve for x
x = 18,316,426,372.10/153,532.44 - Step 6: Final answer
x = 119,300.04
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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.