Finding the Fourth Proportional to 484,655.80, 726,983.70 and 247,919.80
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Solution
The fourth proportional to 484,655.80, 726,983.70 and 247,919.80 is: 371,879.70
Step by Step Solution
- Step 1: Write the proportion equation
484,655.80 : 726,983.70 = 247,919.80 : x - Step 2: Convert to fraction form
484,655.80/726,983.70 = 247,919.80/x - Step 3: Cross multiply
484,655.80x = 726,983.70 × 247,919.80 - Step 4: Simplify right side
484,655.80x = 180,233,653,507.26 - Step 5: Solve for x
x = 180,233,653,507.26/484,655.80 - Step 6: Final answer
x = 371,879.70
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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.