Finding the Fourth Proportional to 358,638.68, 537,871.70 and 105,850.92
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Solution
The fourth proportional to 358,638.68, 537,871.70 and 105,850.92 is: 158,750.90
Step by Step Solution
- Step 1: Write the proportion equation
358,638.68 : 537,871.70 = 105,850.92 : x - Step 2: Convert to fraction form
358,638.68/537,871.70 = 105,850.92/x - Step 3: Cross multiply
358,638.68x = 537,871.70 × 105,850.92 - Step 4: Simplify right side
358,638.68x = 56,934,214,286.96 - Step 5: Solve for x
x = 56,934,214,286.96/358,638.68 - Step 6: Final answer
x = 158,750.90
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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.