Finding the Fourth Proportional to 805,845.42, 1,208,917.63 and 266,139.08
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Solution
The fourth proportional to 805,845.42, 1,208,917.63 and 266,139.08 is: 399,257.99
Step by Step Solution
- Step 1: Write the proportion equation
805,845.42 : 1,208,917.63 = 266,139.08 : x - Step 2: Convert to fraction form
805,845.42/1,208,917.63 = 266,139.08/x - Step 3: Cross multiply
805,845.42x = 1,208,917.63 × 266,139.08 - Step 4: Simplify right side
805,845.42x = 321,740,224,665.51 - Step 5: Solve for x
x = 321,740,224,665.51/805,845.42 - Step 6: Final answer
x = 399,257.99
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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.