Finding the Fourth Proportional to 768,287.30, 1,152,421.68 and 199,618.08
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Solution
The fourth proportional to 768,287.30, 1,152,421.68 and 199,618.08 is: 299,424.71
Step by Step Solution
- Step 1: Write the proportion equation
768,287.30 : 1,152,421.68 = 199,618.08 : x - Step 2: Convert to fraction form
768,287.30/1,152,421.68 = 199,618.08/x - Step 3: Cross multiply
768,287.30x = 1,152,421.68 × 199,618.08 - Step 4: Simplify right side
768,287.30x = 230,044,203,111.97 - Step 5: Solve for x
x = 230,044,203,111.97/768,287.30 - Step 6: Final answer
x = 299,424.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.