Finding the Fourth Proportional to 212,188.24, 292,768.36 and 134,635.65
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Solution
The fourth proportional to 212,188.24, 292,768.36 and 134,635.65 is: 185,764.58
Step by Step Solution
- Step 1: Write the proportion equation
212,188.24 : 292,768.36 = 134,635.65 : x - Step 2: Convert to fraction form
212,188.24/292,768.36 = 134,635.65/x - Step 3: Cross multiply
212,188.24x = 292,768.36 × 134,635.65 - Step 4: Simplify right side
212,188.24x = 39,417,058,448.03 - Step 5: Solve for x
x = 39,417,058,448.03/212,188.24 - Step 6: Final answer
x = 185,764.58
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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.