Finding the Fourth Proportional to 630,389.48, 944,716.91 and 270,129.08
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Solution
The fourth proportional to 630,389.48, 944,716.91 and 270,129.08 is: 404,821.97
Step by Step Solution
- Step 1: Write the proportion equation
630,389.48 : 944,716.91 = 270,129.08 : x - Step 2: Convert to fraction form
630,389.48/944,716.91 = 270,129.08/x - Step 3: Cross multiply
630,389.48x = 944,716.91 × 270,129.08 - Step 4: Simplify right side
630,389.48x = 255,195,510,769.89 - Step 5: Solve for x
x = 255,195,510,769.89/630,389.48 - Step 6: Final answer
x = 404,821.97
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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.