Finding the Fourth Proportional to 317,132.68, 475,778.34 and 223,820.68
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Solution
The fourth proportional to 317,132.68, 475,778.34 and 223,820.68 is: 335,787.00
Step by Step Solution
- Step 1: Write the proportion equation
317,132.68 : 475,778.34 = 223,820.68 : x - Step 2: Convert to fraction form
317,132.68/475,778.34 = 223,820.68/x - Step 3: Cross multiply
317,132.68x = 475,778.34 × 223,820.68 - Step 4: Simplify right side
317,132.68x = 106,489,031,588.07 - Step 5: Solve for x
x = 106,489,031,588.07/317,132.68 - Step 6: Final answer
x = 335,787.00
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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.