Finding the Fourth Proportional to 163,160.42, 224,741.86 and 115,331.54
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Solution
The fourth proportional to 163,160.42, 224,741.86 and 115,331.54 is: 158,860.98
Step by Step Solution
- Step 1: Write the proportion equation
163,160.42 : 224,741.86 = 115,331.54 : x - Step 2: Convert to fraction form
163,160.42/224,741.86 = 115,331.54/x - Step 3: Cross multiply
163,160.42x = 224,741.86 × 115,331.54 - Step 4: Simplify right side
163,160.42x = 25,919,823,404.23 - Step 5: Solve for x
x = 25,919,823,404.23/163,160.42 - Step 6: Final answer
x = 158,860.98
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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.