Finding the Fourth Proportional to 645,040.64, 967,562.76 and 195,764.96
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Solution
The fourth proportional to 645,040.64, 967,562.76 and 195,764.96 is: 293,647.99
Step by Step Solution
- Step 1: Write the proportion equation
645,040.64 : 967,562.76 = 195,764.96 : x - Step 2: Convert to fraction form
645,040.64/967,562.76 = 195,764.96/x - Step 3: Cross multiply
645,040.64x = 967,562.76 × 195,764.96 - Step 4: Simplify right side
645,040.64x = 189,414,885,008.89 - Step 5: Solve for x
x = 189,414,885,008.89/645,040.64 - Step 6: Final answer
x = 293,647.99
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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.