Finding the Fourth Proportional to 278,214.04, 417,325.38 and 67,855.96
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Solution
The fourth proportional to 278,214.04, 417,325.38 and 67,855.96 is: 101,784.99
Step by Step Solution
- Step 1: Write the proportion equation
278,214.04 : 417,325.38 = 67,855.96 : x - Step 2: Convert to fraction form
278,214.04/417,325.38 = 67,855.96/x - Step 3: Cross multiply
278,214.04x = 417,325.38 × 67,855.96 - Step 4: Simplify right side
278,214.04x = 28,318,014,292.26 - Step 5: Solve for x
x = 28,318,014,292.26/278,214.04 - Step 6: Final answer
x = 101,784.99
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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.