Finding the Fourth Proportional to 301,031.12, 451,817.40 and 160,909.52
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Solution
The fourth proportional to 301,031.12, 451,817.40 and 160,909.52 is: 241,508.99
Step by Step Solution
- Step 1: Write the proportion equation
301,031.12 : 451,817.40 = 160,909.52 : x - Step 2: Convert to fraction form
301,031.12/451,817.40 = 160,909.52/x - Step 3: Cross multiply
301,031.12x = 451,817.40 × 160,909.52 - Step 4: Simplify right side
301,031.12x = 72,701,720,961.65 - Step 5: Solve for x
x = 72,701,720,961.65/301,031.12 - Step 6: Final answer
x = 241,508.99
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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.