Finding the Fourth Proportional to 216,053.55, 298,124.42 and 120,548.07
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Solution
The fourth proportional to 216,053.55, 298,124.42 and 120,548.07 is: 166,339.89
Step by Step Solution
- Step 1: Write the proportion equation
216,053.55 : 298,124.42 = 120,548.07 : x - Step 2: Convert to fraction form
216,053.55/298,124.42 = 120,548.07/x - Step 3: Cross multiply
216,053.55x = 298,124.42 × 120,548.07 - Step 4: Simplify right side
216,053.55x = 35,938,322,848.13 - Step 5: Solve for x
x = 35,938,322,848.13/216,053.55 - Step 6: Final answer
x = 166,339.89
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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.