Finding the Fourth Proportional to 236,479.56, 326,348.76 and 129,056.55
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Solution
The fourth proportional to 236,479.56, 326,348.76 and 129,056.55 is: 178,101.84
Step by Step Solution
- Step 1: Write the proportion equation
236,479.56 : 326,348.76 = 129,056.55 : x - Step 2: Convert to fraction form
236,479.56/326,348.76 = 129,056.55/x - Step 3: Cross multiply
236,479.56x = 326,348.76 × 129,056.55 - Step 4: Simplify right side
236,479.56x = 42,117,445,062.38 - Step 5: Solve for x
x = 42,117,445,062.38/236,479.56 - Step 6: Final answer
x = 178,101.84
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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.