Finding the Fourth Proportional to 190,700.68, 263,149.50 and 113,162.95
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Solution
The fourth proportional to 190,700.68, 263,149.50 and 113,162.95 is: 156,154.52
Step by Step Solution
- Step 1: Write the proportion equation
190,700.68 : 263,149.50 = 113,162.95 : x - Step 2: Convert to fraction form
190,700.68/263,149.50 = 113,162.95/x - Step 3: Cross multiply
190,700.68x = 263,149.50 × 113,162.95 - Step 4: Simplify right side
190,700.68x = 29,778,773,711.03 - Step 5: Solve for x
x = 29,778,773,711.03/190,700.68 - Step 6: Final answer
x = 156,154.52
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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.