Finding the Fourth Proportional to 411,438.70, 617,158.05 and 201,486.70
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Solution
The fourth proportional to 411,438.70, 617,158.05 and 201,486.70 is: 302,230.05
Step by Step Solution
- Step 1: Write the proportion equation
411,438.70 : 617,158.05 = 201,486.70 : x - Step 2: Convert to fraction form
411,438.70/617,158.05 = 201,486.70/x - Step 3: Cross multiply
411,438.70x = 617,158.05 × 201,486.70 - Step 4: Simplify right side
411,438.70x = 124,349,138,872.94 - Step 5: Solve for x
x = 124,349,138,872.94/411,438.70 - Step 6: Final answer
x = 302,230.05
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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.