Finding the Fourth Proportional to 153,817.75, 230,765.64 and 43,009.75
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Solution
The fourth proportional to 153,817.75, 230,765.64 and 43,009.75 is: 64,525.53
Step by Step Solution
- Step 1: Write the proportion equation
153,817.75 : 230,765.64 = 43,009.75 : x - Step 2: Convert to fraction form
153,817.75/230,765.64 = 43,009.75/x - Step 3: Cross multiply
153,817.75x = 230,765.64 × 43,009.75 - Step 4: Simplify right side
153,817.75x = 9,925,172,484.99 - Step 5: Solve for x
x = 9,925,172,484.99/153,817.75 - Step 6: Final answer
x = 64,525.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.