Finding the Fourth Proportional to 484,545.68, 726,761.28 and 129,587.21
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Solution
The fourth proportional to 484,545.68, 726,761.28 and 129,587.21 is: 194,365.51
Step by Step Solution
- Step 1: Write the proportion equation
484,545.68 : 726,761.28 = 129,587.21 : x - Step 2: Convert to fraction form
484,545.68/726,761.28 = 129,587.21/x - Step 3: Cross multiply
484,545.68x = 726,761.28 × 129,587.21 - Step 4: Simplify right side
484,545.68x = 94,178,966,611.23 - Step 5: Solve for x
x = 94,178,966,611.23/484,545.68 - Step 6: Final answer
x = 194,365.51
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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.