Finding the Fourth Proportional to 668,243.99, 1,002,264.49 and 218,954.91
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Solution
The fourth proportional to 668,243.99, 1,002,264.49 and 218,954.91 is: 328,399.12
Step by Step Solution
- Step 1: Write the proportion equation
668,243.99 : 1,002,264.49 = 218,954.91 : x - Step 2: Convert to fraction form
668,243.99/1,002,264.49 = 218,954.91/x - Step 3: Cross multiply
668,243.99x = 1,002,264.49 × 218,954.91 - Step 4: Simplify right side
668,243.99x = 219,450,735,852.14 - Step 5: Solve for x
x = 219,450,735,852.14/668,243.99 - Step 6: Final answer
x = 328,399.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.