Finding the Fourth Proportional to 197,125.10, 272,032.74 and 106,481.06
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Solution
The fourth proportional to 197,125.10, 272,032.74 and 106,481.06 is: 146,943.92
Step by Step Solution
- Step 1: Write the proportion equation
197,125.10 : 272,032.74 = 106,481.06 : x - Step 2: Convert to fraction form
197,125.10/272,032.74 = 106,481.06/x - Step 3: Cross multiply
197,125.10x = 272,032.74 × 106,481.06 - Step 4: Simplify right side
197,125.10x = 28,966,334,509.90 - Step 5: Solve for x
x = 28,966,334,509.90/197,125.10 - Step 6: Final answer
x = 146,943.92
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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.