Finding the Fourth Proportional to 222,364.08, 306,862.56 and 121,762.08
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Solution
The fourth proportional to 222,364.08, 306,862.56 and 121,762.08 is: 168,031.74
Step by Step Solution
- Step 1: Write the proportion equation
222,364.08 : 306,862.56 = 121,762.08 : x - Step 2: Convert to fraction form
222,364.08/306,862.56 = 121,762.08/x - Step 3: Cross multiply
222,364.08x = 306,862.56 × 121,762.08 - Step 4: Simplify right side
222,364.08x = 37,364,223,579.72 - Step 5: Solve for x
x = 37,364,223,579.72/222,364.08 - Step 6: Final answer
x = 168,031.74
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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.