Finding the Fourth Proportional to 409,910.10, 616,177.35 and 292,395.30
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Solution
The fourth proportional to 409,910.10, 616,177.35 and 292,395.30 is: 439,528.96
Step by Step Solution
- Step 1: Write the proportion equation
409,910.10 : 616,177.35 = 292,395.30 : x - Step 2: Convert to fraction form
409,910.10/616,177.35 = 292,395.30/x - Step 3: Cross multiply
409,910.10x = 616,177.35 × 292,395.30 - Step 4: Simplify right side
409,910.10x = 180,167,361,106.46 - Step 5: Solve for x
x = 180,167,361,106.46/409,910.10 - Step 6: Final answer
x = 439,528.96
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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.