Finding the Fourth Proportional to 213,208.34, 294,232.10 and 117,721.08
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Solution
The fourth proportional to 213,208.34, 294,232.10 and 117,721.08 is: 162,457.63
Step by Step Solution
- Step 1: Write the proportion equation
213,208.34 : 294,232.10 = 117,721.08 : x - Step 2: Convert to fraction form
213,208.34/294,232.10 = 117,721.08/x - Step 3: Cross multiply
213,208.34x = 294,232.10 × 117,721.08 - Step 4: Simplify right side
213,208.34x = 34,637,319,994.06 - Step 5: Solve for x
x = 34,637,319,994.06/213,208.34 - Step 6: Final answer
x = 162,457.63
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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.