Finding the Fourth Proportional to 411,363.55, 617,122.68 and 186,739.75
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Solution
The fourth proportional to 411,363.55, 617,122.68 and 186,739.75 is: 280,144.74
Step by Step Solution
- Step 1: Write the proportion equation
411,363.55 : 617,122.68 = 186,739.75 : x - Step 2: Convert to fraction form
411,363.55/617,122.68 = 186,739.75/x - Step 3: Cross multiply
411,363.55x = 617,122.68 × 186,739.75 - Step 4: Simplify right side
411,363.55x = 115,241,334,982.53 - Step 5: Solve for x
x = 115,241,334,982.53/411,363.55 - Step 6: Final answer
x = 280,144.74
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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.