Finding the Fourth Proportional to 207,332.06, 311,012.21 and 70,499.44
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Solution
The fourth proportional to 207,332.06, 311,012.21 and 70,499.44 is: 105,753.96
Step by Step Solution
- Step 1: Write the proportion equation
207,332.06 : 311,012.21 = 70,499.44 : x - Step 2: Convert to fraction form
207,332.06/311,012.21 = 70,499.44/x - Step 3: Cross multiply
207,332.06x = 311,012.21 × 70,499.44 - Step 4: Simplify right side
207,332.06x = 21,926,185,508.13 - Step 5: Solve for x
x = 21,926,185,508.13/207,332.06 - Step 6: Final answer
x = 105,753.96
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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.