Finding the Fourth Proportional to 213,011.14, 293,947.26 and 132,420.18
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Solution
The fourth proportional to 213,011.14, 293,947.26 and 132,420.18 is: 182,734.80
Step by Step Solution
- Step 1: Write the proportion equation
213,011.14 : 293,947.26 = 132,420.18 : x - Step 2: Convert to fraction form
213,011.14/293,947.26 = 132,420.18/x - Step 3: Cross multiply
213,011.14x = 293,947.26 × 132,420.18 - Step 4: Simplify right side
213,011.14x = 38,924,549,079.71 - Step 5: Solve for x
x = 38,924,549,079.71/213,011.14 - Step 6: Final answer
x = 182,734.80
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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.