Finding the Fourth Proportional to 373,267.40, 559,901.10 and 221,708.30
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Solution
The fourth proportional to 373,267.40, 559,901.10 and 221,708.30 is: 332,562.45
Step by Step Solution
- Step 1: Write the proportion equation
373,267.40 : 559,901.10 = 221,708.30 : x - Step 2: Convert to fraction form
373,267.40/559,901.10 = 221,708.30/x - Step 3: Cross multiply
373,267.40x = 559,901.10 × 221,708.30 - Step 4: Simplify right side
373,267.40x = 124,134,721,049.13 - Step 5: Solve for x
x = 124,134,721,049.13/373,267.40 - Step 6: Final answer
x = 332,562.45
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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.