Finding the Fourth Proportional to 230,584.64, 318,202.56 and 129,982.72
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Solution
The fourth proportional to 230,584.64, 318,202.56 and 129,982.72 is: 179,373.76
Step by Step Solution
- Step 1: Write the proportion equation
230,584.64 : 318,202.56 = 129,982.72 : x - Step 2: Convert to fraction form
230,584.64/318,202.56 = 129,982.72/x - Step 3: Cross multiply
230,584.64x = 318,202.56 × 129,982.72 - Step 4: Simplify right side
230,584.64x = 41,360,834,259.76 - Step 5: Solve for x
x = 41,360,834,259.76/230,584.64 - Step 6: Final answer
x = 179,373.76
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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.