Finding the Fourth Proportional to 493,305.80, 739,634.70 and 193,605.80
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Solution
The fourth proportional to 493,305.80, 739,634.70 and 193,605.80 is: 290,281.54
Step by Step Solution
- Step 1: Write the proportion equation
493,305.80 : 739,634.70 = 193,605.80 : x - Step 2: Convert to fraction form
493,305.80/739,634.70 = 193,605.80/x - Step 3: Cross multiply
493,305.80x = 739,634.70 × 193,605.80 - Step 4: Simplify right side
493,305.80x = 143,197,567,801.26 - Step 5: Solve for x
x = 143,197,567,801.26/493,305.80 - Step 6: Final answer
x = 290,281.54
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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.