Finding the Fourth Proportional to 212,433.44, 292,599.70 and 163,281.06
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Solution
The fourth proportional to 212,433.44, 292,599.70 and 163,281.06 is: 224,898.63
Step by Step Solution
- Step 1: Write the proportion equation
212,433.44 : 292,599.70 = 163,281.06 : x - Step 2: Convert to fraction form
212,433.44/292,599.70 = 163,281.06/x - Step 3: Cross multiply
212,433.44x = 292,599.70 × 163,281.06 - Step 4: Simplify right side
212,433.44x = 47,775,989,494.98 - Step 5: Solve for x
x = 47,775,989,494.98/212,433.44 - Step 6: Final answer
x = 224,898.63
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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.