Finding the Fourth Proportional to 197,735.94, 272,873.40 and 107,089.62
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Solution
The fourth proportional to 197,735.94, 272,873.40 and 107,089.62 is: 147,782.49
Step by Step Solution
- Step 1: Write the proportion equation
197,735.94 : 272,873.40 = 107,089.62 : x - Step 2: Convert to fraction form
197,735.94/272,873.40 = 107,089.62/x - Step 3: Cross multiply
197,735.94x = 272,873.40 × 107,089.62 - Step 4: Simplify right side
197,735.94x = 29,221,908,714.11 - Step 5: Solve for x
x = 29,221,908,714.11/197,735.94 - Step 6: Final answer
x = 147,782.49
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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.