Finding the Fourth Proportional to 255,869.74, 383,173.87 and 160,864.23
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Solution
The fourth proportional to 255,869.74, 383,173.87 and 160,864.23 is: 240,899.80
Step by Step Solution
- Step 1: Write the proportion equation
255,869.74 : 383,173.87 = 160,864.23 : x - Step 2: Convert to fraction form
255,869.74/383,173.87 = 160,864.23/x - Step 3: Cross multiply
255,869.74x = 383,173.87 × 160,864.23 - Step 4: Simplify right side
255,869.74x = 61,638,968,282.25 - Step 5: Solve for x
x = 61,638,968,282.25/255,869.74 - Step 6: Final answer
x = 240,899.80
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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.