Finding the Fourth Proportional to 518,600.67, 715,193.33 and 355,494.21
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Solution
The fourth proportional to 518,600.67, 715,193.33 and 355,494.21 is: 490,255.99
Step by Step Solution
- Step 1: Write the proportion equation
518,600.67 : 715,193.33 = 355,494.21 : x - Step 2: Convert to fraction form
518,600.67/715,193.33 = 355,494.21/x - Step 3: Cross multiply
518,600.67x = 715,193.33 × 355,494.21 - Step 4: Simplify right side
518,600.67x = 254,247,086,068.15 - Step 5: Solve for x
x = 254,247,086,068.15/518,600.67 - Step 6: Final answer
x = 490,255.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.