Finding the Fourth Proportional to 280,278.04, 420,564.68 and 162,032.44
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Solution
The fourth proportional to 280,278.04, 420,564.68 and 162,032.44 is: 243,134.00
Step by Step Solution
- Step 1: Write the proportion equation
280,278.04 : 420,564.68 = 162,032.44 : x - Step 2: Convert to fraction form
280,278.04/420,564.68 = 162,032.44/x - Step 3: Cross multiply
280,278.04x = 420,564.68 × 162,032.44 - Step 4: Simplify right side
280,278.04x = 68,145,121,278.22 - Step 5: Solve for x
x = 68,145,121,278.22/280,278.04 - Step 6: Final answer
x = 243,134.00
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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.