Finding the Fourth Proportional to 153,594.10, 211,969.56 and 93,170.44
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Solution
The fourth proportional to 153,594.10, 211,969.56 and 93,170.44 is: 128,581.09
Step by Step Solution
- Step 1: Write the proportion equation
153,594.10 : 211,969.56 = 93,170.44 : x - Step 2: Convert to fraction form
153,594.10/211,969.56 = 93,170.44/x - Step 3: Cross multiply
153,594.10x = 211,969.56 × 93,170.44 - Step 4: Simplify right side
153,594.10x = 19,749,297,171.81 - Step 5: Solve for x
x = 19,749,297,171.81/153,594.10 - Step 6: Final answer
x = 128,581.09
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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.