Finding the Fourth Proportional to 197,682.12, 272,801.30 and 107,038.08
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Solution
The fourth proportional to 197,682.12, 272,801.30 and 107,038.08 is: 147,712.53
Step by Step Solution
- Step 1: Write the proportion equation
197,682.12 : 272,801.30 = 107,038.08 : x - Step 2: Convert to fraction form
197,682.12/272,801.30 = 107,038.08/x - Step 3: Cross multiply
197,682.12x = 272,801.30 × 107,038.08 - Step 4: Simplify right side
197,682.12x = 29,200,126,838.31 - Step 5: Solve for x
x = 29,200,126,838.31/197,682.12 - Step 6: Final answer
x = 147,712.53
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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.