Finding the Fourth Proportional to 213,137.12, 294,108.30 and 117,637.70
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Solution
The fourth proportional to 213,137.12, 294,108.30 and 117,637.70 is: 162,328.48
Step by Step Solution
- Step 1: Write the proportion equation
213,137.12 : 294,108.30 = 117,637.70 : x - Step 2: Convert to fraction form
213,137.12/294,108.30 = 117,637.70/x - Step 3: Cross multiply
213,137.12x = 294,108.30 × 117,637.70 - Step 4: Simplify right side
213,137.12x = 34,598,223,962.91 - Step 5: Solve for x
x = 34,598,223,962.91/213,137.12 - Step 6: Final answer
x = 162,328.48
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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.