Finding the Fourth Proportional to 317,352.98, 476,031.09 and 106,992.74
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Solution
The fourth proportional to 317,352.98, 476,031.09 and 106,992.74 is: 160,489.66
Step by Step Solution
- Step 1: Write the proportion equation
317,352.98 : 476,031.09 = 106,992.74 : x - Step 2: Convert to fraction form
317,352.98/476,031.09 = 106,992.74/x - Step 3: Cross multiply
317,352.98x = 476,031.09 × 106,992.74 - Step 4: Simplify right side
317,352.98x = 50,931,870,644.29 - Step 5: Solve for x
x = 50,931,870,644.29/317,352.98 - Step 6: Final answer
x = 160,489.66
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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.