Finding the Fourth Proportional to 246,666.06, 340,405.47 and 139,246.02
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Solution
The fourth proportional to 246,666.06, 340,405.47 and 139,246.02 is: 192,163.07
Step by Step Solution
- Step 1: Write the proportion equation
246,666.06 : 340,405.47 = 139,246.02 : x - Step 2: Convert to fraction form
246,666.06/340,405.47 = 139,246.02/x - Step 3: Cross multiply
246,666.06x = 340,405.47 × 139,246.02 - Step 4: Simplify right side
246,666.06x = 47,400,106,883.73 - Step 5: Solve for x
x = 47,400,106,883.73/246,666.06 - Step 6: Final answer
x = 192,163.07
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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.