Finding the Fourth Proportional to 778,483.21, 1,167,759.97 and 238,700.09
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Solution
The fourth proportional to 778,483.21, 1,167,759.97 and 238,700.09 is: 358,060.92
Step by Step Solution
- Step 1: Write the proportion equation
778,483.21 : 1,167,759.97 = 238,700.09 : x - Step 2: Convert to fraction form
778,483.21/1,167,759.97 = 238,700.09/x - Step 3: Cross multiply
778,483.21x = 1,167,759.97 × 238,700.09 - Step 4: Simplify right side
778,483.21x = 278,744,415,344.72 - Step 5: Solve for x
x = 278,744,415,344.72/778,483.21 - Step 6: Final answer
x = 358,060.92
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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.