Finding the Fourth Proportional to 409,851.79, 565,594.37 and 228,563.92
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Solution
The fourth proportional to 409,851.79, 565,594.37 and 228,563.92 is: 315,417.60
Step by Step Solution
- Step 1: Write the proportion equation
409,851.79 : 565,594.37 = 228,563.92 : x - Step 2: Convert to fraction form
409,851.79/565,594.37 = 228,563.92/x - Step 3: Cross multiply
409,851.79x = 565,594.37 × 228,563.92 - Step 4: Simplify right side
409,851.79x = 129,274,466,337.13 - Step 5: Solve for x
x = 129,274,466,337.13/409,851.79 - Step 6: Final answer
x = 315,417.60
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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.