Finding the Fourth Proportional to 484,457.80, 726,686.70 and 247,721.80
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Solution
The fourth proportional to 484,457.80, 726,686.70 and 247,721.80 is: 371,582.70
Step by Step Solution
- Step 1: Write the proportion equation
484,457.80 : 726,686.70 = 247,721.80 : x - Step 2: Convert to fraction form
484,457.80/726,686.70 = 247,721.80/x - Step 3: Cross multiply
484,457.80x = 726,686.70 × 247,721.80 - Step 4: Simplify right side
484,457.80x = 180,016,137,360.06 - Step 5: Solve for x
x = 180,016,137,360.06/484,457.80 - Step 6: Final answer
x = 371,582.70
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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.