Finding the Fourth Proportional to 359,417.57, 539,034.09 and 106,638.26
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Solution
The fourth proportional to 359,417.57, 539,034.09 and 106,638.26 is: 159,930.02
Step by Step Solution
- Step 1: Write the proportion equation
359,417.57 : 539,034.09 = 106,638.26 : x - Step 2: Convert to fraction form
359,417.57/539,034.09 = 106,638.26/x - Step 3: Cross multiply
359,417.57x = 539,034.09 × 106,638.26 - Step 4: Simplify right side
359,417.57x = 57,481,657,438.28 - Step 5: Solve for x
x = 57,481,657,438.28/359,417.57 - Step 6: Final answer
x = 159,930.02
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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.