Finding the Fourth Proportional to 412,966.08, 619,623.36 and 225,758.88
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Solution
The fourth proportional to 412,966.08, 619,623.36 and 225,758.88 is: 338,733.57
Step by Step Solution
- Step 1: Write the proportion equation
412,966.08 : 619,623.36 = 225,758.88 : x - Step 2: Convert to fraction form
412,966.08/619,623.36 = 225,758.88/x - Step 3: Cross multiply
412,966.08x = 619,623.36 × 225,758.88 - Step 4: Simplify right side
412,966.08x = 139,885,475,775.44 - Step 5: Solve for x
x = 139,885,475,775.44/412,966.08 - Step 6: Final answer
x = 338,733.57
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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.