Finding the Fourth Proportional to 213,011.20, 293,955.48 and 117,518.12
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Solution
The fourth proportional to 213,011.20, 293,955.48 and 117,518.12 is: 162,175.02
Step by Step Solution
- Step 1: Write the proportion equation
213,011.20 : 293,955.48 = 117,518.12 : x - Step 2: Convert to fraction form
213,011.20/293,955.48 = 117,518.12/x - Step 3: Cross multiply
213,011.20x = 293,955.48 × 117,518.12 - Step 4: Simplify right side
213,011.20x = 34,545,095,373.30 - Step 5: Solve for x
x = 34,545,095,373.30/213,011.20 - Step 6: Final answer
x = 162,175.02
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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.