Finding the Fourth Proportional to 178,370.88, 246,139.68 and 97,781.76
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Solution
The fourth proportional to 178,370.88, 246,139.68 and 97,781.76 is: 134,932.17
Step by Step Solution
- Step 1: Write the proportion equation
178,370.88 : 246,139.68 = 97,781.76 : x - Step 2: Convert to fraction form
178,370.88/246,139.68 = 97,781.76/x - Step 3: Cross multiply
178,370.88x = 246,139.68 × 97,781.76 - Step 4: Simplify right side
178,370.88x = 24,067,969,885.54 - Step 5: Solve for x
x = 24,067,969,885.54/178,370.88 - Step 6: Final answer
x = 134,932.17
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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.