Finding the Fourth Proportional to 269,272.19, 403,784.12 and 79,664.75
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Solution
The fourth proportional to 269,272.19, 403,784.12 and 79,664.75 is: 119,460.39
Step by Step Solution
- Step 1: Write the proportion equation
269,272.19 : 403,784.12 = 79,664.75 : x - Step 2: Convert to fraction form
269,272.19/403,784.12 = 79,664.75/x - Step 3: Cross multiply
269,272.19x = 403,784.12 × 79,664.75 - Step 4: Simplify right side
269,272.19x = 32,167,360,973.77 - Step 5: Solve for x
x = 32,167,360,973.77/269,272.19 - Step 6: Final answer
x = 119,460.39
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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.