Finding the Fourth Proportional to 208,519.76, 312,731.66 and 124,303.70
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Solution
The fourth proportional to 208,519.76, 312,731.66 and 124,303.70 is: 186,426.95
Step by Step Solution
- Step 1: Write the proportion equation
208,519.76 : 312,731.66 = 124,303.70 : x - Step 2: Convert to fraction form
208,519.76/312,731.66 = 124,303.70/x - Step 3: Cross multiply
208,519.76x = 312,731.66 × 124,303.70 - Step 4: Simplify right side
208,519.76x = 38,873,702,445.14 - Step 5: Solve for x
x = 38,873,702,445.14/208,519.76 - Step 6: Final answer
x = 186,426.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.