Finding the Fourth Proportional to 197,652.34, 272,758.32 and 107,005.99
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Solution
The fourth proportional to 197,652.34, 272,758.32 and 107,005.99 is: 147,667.23
Step by Step Solution
- Step 1: Write the proportion equation
197,652.34 : 272,758.32 = 107,005.99 : x - Step 2: Convert to fraction form
197,652.34/272,758.32 = 107,005.99/x - Step 3: Cross multiply
197,652.34x = 272,758.32 × 107,005.99 - Step 4: Simplify right side
197,652.34x = 29,186,774,062.34 - Step 5: Solve for x
x = 29,186,774,062.34/197,652.34 - Step 6: Final answer
x = 147,667.23
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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.