Finding the Fourth Proportional to 246,238.52, 339,813.12 and 138,813.80
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Solution
The fourth proportional to 246,238.52, 339,813.12 and 138,813.80 is: 191,565.28
Step by Step Solution
- Step 1: Write the proportion equation
246,238.52 : 339,813.12 = 138,813.80 : x - Step 2: Convert to fraction form
246,238.52/339,813.12 = 138,813.80/x - Step 3: Cross multiply
246,238.52x = 339,813.12 × 138,813.80 - Step 4: Simplify right side
246,238.52x = 47,170,750,477.06 - Step 5: Solve for x
x = 47,170,750,477.06/246,238.52 - Step 6: Final answer
x = 191,565.28
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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.