Finding the Fourth Proportional to 439,401.99, 606,351.20 and 248,403.99
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Solution
The fourth proportional to 439,401.99, 606,351.20 and 248,403.99 is: 342,784.19
Step by Step Solution
- Step 1: Write the proportion equation
439,401.99 : 606,351.20 = 248,403.99 : x - Step 2: Convert to fraction form
439,401.99/606,351.20 = 248,403.99/x - Step 3: Cross multiply
439,401.99x = 606,351.20 × 248,403.99 - Step 4: Simplify right side
439,401.99x = 150,620,056,179.27 - Step 5: Solve for x
x = 150,620,056,179.27/439,401.99 - Step 6: Final answer
x = 342,784.19
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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.