Finding the Fourth Proportional to 246,215.16, 339,772.16 and 138,783.12
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Solution
The fourth proportional to 246,215.16, 339,772.16 and 138,783.12 is: 191,518.02
Step by Step Solution
- Step 1: Write the proportion equation
246,215.16 : 339,772.16 = 138,783.12 : x - Step 2: Convert to fraction form
246,215.16/339,772.16 = 138,783.12/x - Step 3: Cross multiply
246,215.16x = 339,772.16 × 138,783.12 - Step 4: Simplify right side
246,215.16x = 47,154,640,453.94 - Step 5: Solve for x
x = 47,154,640,453.94/246,215.16 - Step 6: Final answer
x = 191,518.02
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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.