Finding the Fourth Proportional to 291,701.76, 402,546.06 and 162,638.70
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Solution
The fourth proportional to 291,701.76, 402,546.06 and 162,638.70 is: 224,440.09
Step by Step Solution
- Step 1: Write the proportion equation
291,701.76 : 402,546.06 = 162,638.70 : x - Step 2: Convert to fraction form
291,701.76/402,546.06 = 162,638.70/x - Step 3: Cross multiply
291,701.76x = 402,546.06 × 162,638.70 - Step 4: Simplify right side
291,701.76x = 65,469,567,888.52 - Step 5: Solve for x
x = 65,469,567,888.52/291,701.76 - Step 6: Final answer
x = 224,440.09
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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.