Finding the Fourth Proportional to 197,616.02, 272,710.76 and 106,971.96
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Solution
The fourth proportional to 197,616.02, 272,710.76 and 106,971.96 is: 147,621.66
Step by Step Solution
- Step 1: Write the proportion equation
197,616.02 : 272,710.76 = 106,971.96 : x - Step 2: Convert to fraction form
197,616.02/272,710.76 = 106,971.96/x - Step 3: Cross multiply
197,616.02x = 272,710.76 × 106,971.96 - Step 4: Simplify right side
197,616.02x = 29,172,404,510.29 - Step 5: Solve for x
x = 29,172,404,510.29/197,616.02 - Step 6: Final answer
x = 147,621.66
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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.