Finding the Fourth Proportional to 212,011.24, 292,558.18 and 121,346.52
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Solution
The fourth proportional to 212,011.24, 292,558.18 and 121,346.52 is: 167,448.28
Step by Step Solution
- Step 1: Write the proportion equation
212,011.24 : 292,558.18 = 121,346.52 : x - Step 2: Convert to fraction form
212,011.24/292,558.18 = 121,346.52/x - Step 3: Cross multiply
212,011.24x = 292,558.18 × 121,346.52 - Step 4: Simplify right side
212,011.24x = 35,500,917,040.53 - Step 5: Solve for x
x = 35,500,917,040.53/212,011.24 - Step 6: Final answer
x = 167,448.28
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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.