Finding the Fourth Proportional to 312,475.86, 470,044.22 and 283,246.65
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Solution
The fourth proportional to 312,475.86, 470,044.22 and 283,246.65 is: 426,075.95
Step by Step Solution
- Step 1: Write the proportion equation
312,475.86 : 470,044.22 = 283,246.65 : x - Step 2: Convert to fraction form
312,475.86/470,044.22 = 283,246.65/x - Step 3: Cross multiply
312,475.86x = 470,044.22 × 283,246.65 - Step 4: Simplify right side
312,475.86x = 133,138,449,250.63 - Step 5: Solve for x
x = 133,138,449,250.63/312,475.86 - Step 6: Final answer
x = 426,075.95
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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.