Finding the Fourth Proportional to 213,656.81, 294,841.35 and 118,161.45
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Solution
The fourth proportional to 213,656.81, 294,841.35 and 118,161.45 is: 163,060.01
Step by Step Solution
- Step 1: Write the proportion equation
213,656.81 : 294,841.35 = 118,161.45 : x - Step 2: Convert to fraction form
213,656.81/294,841.35 = 118,161.45/x - Step 3: Cross multiply
213,656.81x = 294,841.35 × 118,161.45 - Step 4: Simplify right side
213,656.81x = 34,838,881,435.96 - Step 5: Solve for x
x = 34,838,881,435.96/213,656.81 - Step 6: Final answer
x = 163,060.01
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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.