Finding the Fourth Proportional to 340,701.87, 470,189.48 and 187,739.97
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Solution
The fourth proportional to 340,701.87, 470,189.48 and 187,739.97 is: 259,092.68
Step by Step Solution
- Step 1: Write the proportion equation
340,701.87 : 470,189.48 = 187,739.97 : x - Step 2: Convert to fraction form
340,701.87/470,189.48 = 187,739.97/x - Step 3: Cross multiply
340,701.87x = 470,189.48 × 187,739.97 - Step 4: Simplify right side
340,701.87x = 88,273,357,984.15 - Step 5: Solve for x
x = 88,273,357,984.15/340,701.87 - Step 6: Final answer
x = 259,092.68
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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.