Finding the Fourth Proportional to 411,311.28, 616,717.71 and 268,984.71
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Solution
The fourth proportional to 411,311.28, 616,717.71 and 268,984.71 is: 403,314.09
Step by Step Solution
- Step 1: Write the proportion equation
411,311.28 : 616,717.71 = 268,984.71 : x - Step 2: Convert to fraction form
411,311.28/616,717.71 = 268,984.71/x - Step 3: Cross multiply
411,311.28x = 616,717.71 × 268,984.71 - Step 4: Simplify right side
411,311.28x = 165,887,634,376.21 - Step 5: Solve for x
x = 165,887,634,376.21/411,311.28 - Step 6: Final answer
x = 403,314.09
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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.