Finding the Fourth Proportional to 875,198.96, 1,312,798.67 and 276,206.99
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Solution
The fourth proportional to 875,198.96, 1,312,798.67 and 276,206.99 is: 414,310.56
Step by Step Solution
- Step 1: Write the proportion equation
875,198.96 : 1,312,798.67 = 276,206.99 : x - Step 2: Convert to fraction form
875,198.96/1,312,798.67 = 276,206.99/x - Step 3: Cross multiply
875,198.96x = 1,312,798.67 × 276,206.99 - Step 4: Simplify right side
875,198.96x = 362,604,171,017.67 - Step 5: Solve for x
x = 362,604,171,017.67/875,198.96 - Step 6: Final answer
x = 414,310.56
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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.