Finding the Fourth Proportional to 294,647.98, 441,588.56 and 132,421.79
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Solution
The fourth proportional to 294,647.98, 441,588.56 and 132,421.79 is: 198,460.37
Step by Step Solution
- Step 1: Write the proportion equation
294,647.98 : 441,588.56 = 132,421.79 : x - Step 2: Convert to fraction form
294,647.98/441,588.56 = 132,421.79/x - Step 3: Cross multiply
294,647.98x = 441,588.56 × 132,421.79 - Step 4: Simplify right side
294,647.98x = 58,475,946,261.52 - Step 5: Solve for x
x = 58,475,946,261.52/294,647.98 - Step 6: Final answer
x = 198,460.37
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1.5x scale
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.