Finding the Fourth Proportional to 540,119.80, 809,013.30 and 470,135.80
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Solution
The fourth proportional to 540,119.80, 809,013.30 and 470,135.80 is: 704,188.43
Step by Step Solution
- Step 1: Write the proportion equation
540,119.80 : 809,013.30 = 470,135.80 : x - Step 2: Convert to fraction form
540,119.80/809,013.30 = 470,135.80/x - Step 3: Cross multiply
540,119.80x = 809,013.30 × 470,135.80 - Step 4: Simplify right side
540,119.80x = 380,346,115,006.14 - Step 5: Solve for x
x = 380,346,115,006.14/540,119.80 - Step 6: Final answer
x = 704,188.43
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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.