Finding the Fourth Proportional to 340,679.76, 470,134.26 and 193,503.56
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Solution
The fourth proportional to 340,679.76, 470,134.26 and 193,503.56 is: 267,032.75
Step by Step Solution
- Step 1: Write the proportion equation
340,679.76 : 470,134.26 = 193,503.56 : x - Step 2: Convert to fraction form
340,679.76/470,134.26 = 193,503.56/x - Step 3: Cross multiply
340,679.76x = 470,134.26 × 193,503.56 - Step 4: Simplify right side
340,679.76x = 90,972,652,987.97 - Step 5: Solve for x
x = 90,972,652,987.97/340,679.76 - Step 6: Final answer
x = 267,032.75
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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.