Finding the Fourth Proportional to 426,709.08, 588,876.42 and 245,421.06
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Solution
The fourth proportional to 426,709.08, 588,876.42 and 245,421.06 is: 338,691.35
Step by Step Solution
- Step 1: Write the proportion equation
426,709.08 : 588,876.42 = 245,421.06 : x - Step 2: Convert to fraction form
426,709.08/588,876.42 = 245,421.06/x - Step 3: Cross multiply
426,709.08x = 588,876.42 × 245,421.06 - Step 4: Simplify right side
426,709.08x = 144,522,675,205.41 - Step 5: Solve for x
x = 144,522,675,205.41/426,709.08 - Step 6: Final answer
x = 338,691.35
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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.