Finding the Fourth Proportional to 294,228.48, 406,065.20 and 173,408.70
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Solution
The fourth proportional to 294,228.48, 406,065.20 and 173,408.70 is: 239,321.63
Step by Step Solution
- Step 1: Write the proportion equation
294,228.48 : 406,065.20 = 173,408.70 : x - Step 2: Convert to fraction form
294,228.48/406,065.20 = 173,408.70/x - Step 3: Cross multiply
294,228.48x = 406,065.20 × 173,408.70 - Step 4: Simplify right side
294,228.48x = 70,415,238,447.24 - Step 5: Solve for x
x = 70,415,238,447.24/294,228.48 - Step 6: Final answer
x = 239,321.63
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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.