Finding the Fourth Proportional to 246,383.40, 340,009.47 and 133,206.15
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Solution
The fourth proportional to 246,383.40, 340,009.47 and 133,206.15 is: 183,824.69
Step by Step Solution
- Step 1: Write the proportion equation
246,383.40 : 340,009.47 = 133,206.15 : x - Step 2: Convert to fraction form
246,383.40/340,009.47 = 133,206.15/x - Step 3: Cross multiply
246,383.40x = 340,009.47 × 133,206.15 - Step 4: Simplify right side
246,383.40x = 45,291,352,462.24 - Step 5: Solve for x
x = 45,291,352,462.24/246,383.40 - Step 6: Final answer
x = 183,824.69
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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.