Finding the Fourth Proportional to 246,740.99, 340,496.76 and 139,308.26
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Solution
The fourth proportional to 246,740.99, 340,496.76 and 139,308.26 is: 192,242.12
Step by Step Solution
- Step 1: Write the proportion equation
246,740.99 : 340,496.76 = 139,308.26 : x - Step 2: Convert to fraction form
246,740.99/340,496.76 = 139,308.26/x - Step 3: Cross multiply
246,740.99x = 340,496.76 × 139,308.26 - Step 4: Simplify right side
246,740.99x = 47,434,009,991.16 - Step 5: Solve for x
x = 47,434,009,991.16/246,740.99 - Step 6: Final answer
x = 192,242.12
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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.