Finding the Fourth Proportional to 470,511.87, 649,305.30 and 255,652.80
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Solution
The fourth proportional to 470,511.87, 649,305.30 and 255,652.80 is: 352,800.28
Step by Step Solution
- Step 1: Write the proportion equation
470,511.87 : 649,305.30 = 255,652.80 : x - Step 2: Convert to fraction form
470,511.87/649,305.30 = 255,652.80/x - Step 3: Cross multiply
470,511.87x = 649,305.30 × 255,652.80 - Step 4: Simplify right side
470,511.87x = 165,996,717,999.84 - Step 5: Solve for x
x = 165,996,717,999.84/470,511.87 - Step 6: Final answer
x = 352,800.28
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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.