Finding the Fourth Proportional to 197,272.56, 272,159.64 and 125,639.76
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Solution
The fourth proportional to 197,272.56, 272,159.64 and 125,639.76 is: 173,334.15
Step by Step Solution
- Step 1: Write the proportion equation
197,272.56 : 272,159.64 = 125,639.76 : x - Step 2: Convert to fraction form
197,272.56/272,159.64 = 125,639.76/x - Step 3: Cross multiply
197,272.56x = 272,159.64 × 125,639.76 - Step 4: Simplify right side
197,272.56x = 34,194,071,851.29 - Step 5: Solve for x
x = 34,194,071,851.29/197,272.56 - Step 6: Final answer
x = 173,334.15
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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.