Finding the Fourth Proportional to 317,075.20, 475,314.99 and 106,565.92
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Solution
The fourth proportional to 317,075.20, 475,314.99 and 106,565.92 is: 159,748.79
Step by Step Solution
- Step 1: Write the proportion equation
317,075.20 : 475,314.99 = 106,565.92 : x - Step 2: Convert to fraction form
317,075.20/475,314.99 = 106,565.92/x - Step 3: Cross multiply
317,075.20x = 475,314.99 × 106,565.92 - Step 4: Simplify right side
317,075.20x = 50,652,379,199.14 - Step 5: Solve for x
x = 50,652,379,199.14/317,075.20 - Step 6: Final answer
x = 159,748.79
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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.