Finding the Fourth Proportional to 404,895.63, 607,281.20 and 135,028.50
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Solution
The fourth proportional to 404,895.63, 607,281.20 and 135,028.50 is: 202,521.99
Step by Step Solution
- Step 1: Write the proportion equation
404,895.63 : 607,281.20 = 135,028.50 : x - Step 2: Convert to fraction form
404,895.63/607,281.20 = 135,028.50/x - Step 3: Cross multiply
404,895.63x = 607,281.20 × 135,028.50 - Step 4: Simplify right side
404,895.63x = 82,000,268,839.06 - Step 5: Solve for x
x = 82,000,268,839.06/404,895.63 - Step 6: Final answer
x = 202,521.99
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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.