Finding the Fourth Proportional to 471,202.80, 705,637.80 and 377,890.80
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Solution
The fourth proportional to 471,202.80, 705,637.80 and 377,890.80 is: 565,900.78
Step by Step Solution
- Step 1: Write the proportion equation
471,202.80 : 705,637.80 = 377,890.80 : x - Step 2: Convert to fraction form
471,202.80/705,637.80 = 377,890.80/x - Step 3: Cross multiply
471,202.80x = 705,637.80 × 377,890.80 - Step 4: Simplify right side
471,202.80x = 266,654,032,752.24 - Step 5: Solve for x
x = 266,654,032,752.24/471,202.80 - Step 6: Final answer
x = 565,900.78
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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.