Finding the Fourth Proportional to 148,198.79, 204,458.50 and 97,239.65
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Solution
The fourth proportional to 148,198.79, 204,458.50 and 97,239.65 is: 134,154.08
Step by Step Solution
- Step 1: Write the proportion equation
148,198.79 : 204,458.50 = 97,239.65 : x - Step 2: Convert to fraction form
148,198.79/204,458.50 = 97,239.65/x - Step 3: Cross multiply
148,198.79x = 204,458.50 × 97,239.65 - Step 4: Simplify right side
148,198.79x = 19,881,471,714.13 - Step 5: Solve for x
x = 19,881,471,714.13/148,198.79 - Step 6: Final answer
x = 134,154.08
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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.