Finding the Fourth Proportional to 456,390.18, 684,921.66 and 216,504.84
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Solution
The fourth proportional to 456,390.18, 684,921.66 and 216,504.84 is: 324,916.84
Step by Step Solution
- Step 1: Write the proportion equation
456,390.18 : 684,921.66 = 216,504.84 : x - Step 2: Convert to fraction form
456,390.18/684,921.66 = 216,504.84/x - Step 3: Cross multiply
456,390.18x = 684,921.66 × 216,504.84 - Step 4: Simplify right side
456,390.18x = 148,288,854,410.83 - Step 5: Solve for x
x = 148,288,854,410.83/456,390.18 - Step 6: Final answer
x = 324,916.84
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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.