Finding the Fourth Proportional to 558,340.80, 837,511.20 and 221,461.80
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Solution
The fourth proportional to 558,340.80, 837,511.20 and 221,461.80 is: 332,192.70
Step by Step Solution
- Step 1: Write the proportion equation
558,340.80 : 837,511.20 = 221,461.80 : x - Step 2: Convert to fraction form
558,340.80/837,511.20 = 221,461.80/x - Step 3: Cross multiply
558,340.80x = 837,511.20 × 221,461.80 - Step 4: Simplify right side
558,340.80x = 185,476,737,872.16 - Step 5: Solve for x
x = 185,476,737,872.16/558,340.80 - Step 6: Final answer
x = 332,192.70
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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.