Finding the Fourth Proportional to 213,108.24, 294,076.80 and 117,612.48
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Solution
The fourth proportional to 213,108.24, 294,076.80 and 117,612.48 is: 162,298.28
Step by Step Solution
- Step 1: Write the proportion equation
213,108.24 : 294,076.80 = 117,612.48 : x - Step 2: Convert to fraction form
213,108.24/294,076.80 = 117,612.48/x - Step 3: Cross multiply
213,108.24x = 294,076.80 × 117,612.48 - Step 4: Simplify right side
213,108.24x = 34,587,101,758.46 - Step 5: Solve for x
x = 34,587,101,758.46/213,108.24 - Step 6: Final answer
x = 162,298.28
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1.5x scale
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.