Finding the Fourth Proportional to 177,638.98, 245,134.05 and 97,062.70
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Solution
The fourth proportional to 177,638.98, 245,134.05 and 97,062.70 is: 133,942.30
Step by Step Solution
- Step 1: Write the proportion equation
177,638.98 : 245,134.05 = 97,062.70 : x - Step 2: Convert to fraction form
177,638.98/245,134.05 = 97,062.70/x - Step 3: Cross multiply
177,638.98x = 245,134.05 × 97,062.70 - Step 4: Simplify right side
177,638.98x = 23,793,372,754.94 - Step 5: Solve for x
x = 23,793,372,754.94/177,638.98 - Step 6: Final answer
x = 133,942.30
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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.