Finding the Fourth Proportional to 331,575.42, 496,947.20 and 141,813.08
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Solution
The fourth proportional to 331,575.42, 496,947.20 and 141,813.08 is: 212,541.72
Step by Step Solution
- Step 1: Write the proportion equation
331,575.42 : 496,947.20 = 141,813.08 : x - Step 2: Convert to fraction form
331,575.42/496,947.20 = 141,813.08/x - Step 3: Cross multiply
331,575.42x = 496,947.20 × 141,813.08 - Step 4: Simplify right side
331,575.42x = 70,473,609,835.57 - Step 5: Solve for x
x = 70,473,609,835.57/331,575.42 - Step 6: Final answer
x = 212,541.72
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1.5x scale
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.