Finding the Fourth Proportional to 411,723.62, 617,157.26 and 159,177.57
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Solution
The fourth proportional to 411,723.62, 617,157.26 and 159,177.57 is: 238,600.82
Step by Step Solution
- Step 1: Write the proportion equation
411,723.62 : 617,157.26 = 159,177.57 : x - Step 2: Convert to fraction form
411,723.62/617,157.26 = 159,177.57/x - Step 3: Cross multiply
411,723.62x = 617,157.26 × 159,177.57 - Step 4: Simplify right side
411,723.62x = 98,237,592,158.77 - Step 5: Solve for x
x = 98,237,592,158.77/411,723.62 - Step 6: Final answer
x = 238,600.82
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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.