Finding the Fourth Proportional to 456,545.40, 684,672.90 and 156,953.94
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Solution
The fourth proportional to 456,545.40, 684,672.90 and 156,953.94 is: 235,380.99
Step by Step Solution
- Step 1: Write the proportion equation
456,545.40 : 684,672.90 = 156,953.94 : x - Step 2: Convert to fraction form
456,545.40/684,672.90 = 156,953.94/x - Step 3: Cross multiply
456,545.40x = 684,672.90 × 156,953.94 - Step 4: Simplify right side
456,545.40x = 107,462,109,266.23 - Step 5: Solve for x
x = 107,462,109,266.23/456,545.40 - Step 6: Final answer
x = 235,380.99
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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.