Finding the Fourth Proportional to 211,873.55, 292,263.35 and 126,941.40
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Solution
The fourth proportional to 211,873.55, 292,263.35 and 126,941.40 is: 175,105.95
Step by Step Solution
- Step 1: Write the proportion equation
211,873.55 : 292,263.35 = 126,941.40 : x - Step 2: Convert to fraction form
211,873.55/292,263.35 = 126,941.40/x - Step 3: Cross multiply
211,873.55x = 292,263.35 × 126,941.40 - Step 4: Simplify right side
211,873.55x = 37,100,318,182.98 - Step 5: Solve for x
x = 37,100,318,182.98/211,873.55 - Step 6: Final answer
x = 175,105.95
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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.