Finding the Fourth Proportional to 210,836.51, 316,394.84 and 98,525.42
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Solution
The fourth proportional to 210,836.51, 316,394.84 and 98,525.42 is: 147,853.59
Step by Step Solution
- Step 1: Write the proportion equation
210,836.51 : 316,394.84 = 98,525.42 : x - Step 2: Convert to fraction form
210,836.51/316,394.84 = 98,525.42/x - Step 3: Cross multiply
210,836.51x = 316,394.84 × 98,525.42 - Step 4: Simplify right side
210,836.51x = 31,172,934,496.83 - Step 5: Solve for x
x = 31,172,934,496.83/210,836.51 - Step 6: Final answer
x = 147,853.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.