Finding the Fourth Proportional to 493,209.59, 680,629.19 and 266,855.09
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Solution
The fourth proportional to 493,209.59, 680,629.19 and 266,855.09 is: 368,259.99
Step by Step Solution
- Step 1: Write the proportion equation
493,209.59 : 680,629.19 = 266,855.09 : x - Step 2: Convert to fraction form
493,209.59/680,629.19 = 266,855.09/x - Step 3: Cross multiply
493,209.59x = 680,629.19 × 266,855.09 - Step 4: Simplify right side
493,209.59x = 181,629,359,016.66 - Step 5: Solve for x
x = 181,629,359,016.66/493,209.59 - Step 6: Final answer
x = 368,259.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.