Finding the Fourth Proportional to 734,128.72, 1,101,089.40 and 235,427.92
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Solution
The fourth proportional to 734,128.72, 1,101,089.40 and 235,427.92 is: 353,108.63
Step by Step Solution
- Step 1: Write the proportion equation
734,128.72 : 1,101,089.40 = 235,427.92 : x - Step 2: Convert to fraction form
734,128.72/1,101,089.40 = 235,427.92/x - Step 3: Cross multiply
734,128.72x = 1,101,089.40 × 235,427.92 - Step 4: Simplify right side
734,128.72x = 259,227,187,176.05 - Step 5: Solve for x
x = 259,227,187,176.05/734,128.72 - Step 6: Final answer
x = 353,108.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.