Finding the Fourth Proportional to 383,559.01, 529,538.51 and 340,999.99
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Solution
The fourth proportional to 383,559.01, 529,538.51 and 340,999.99 is: 470,781.87
Step by Step Solution
- Step 1: Write the proportion equation
383,559.01 : 529,538.51 = 340,999.99 : x - Step 2: Convert to fraction form
383,559.01/529,538.51 = 340,999.99/x - Step 3: Cross multiply
383,559.01x = 529,538.51 × 340,999.99 - Step 4: Simplify right side
383,559.01x = 180,572,629,121.92 - Step 5: Solve for x
x = 180,572,629,121.92/383,559.01 - Step 6: Final answer
x = 470,781.87
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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.