Finding the Fourth Proportional to 411,778.08, 617,617.44 and 186,899.76
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Solution
The fourth proportional to 411,778.08, 617,617.44 and 186,899.76 is: 280,327.09
Step by Step Solution
- Step 1: Write the proportion equation
411,778.08 : 617,617.44 = 186,899.76 : x - Step 2: Convert to fraction form
411,778.08/617,617.44 = 186,899.76/x - Step 3: Cross multiply
411,778.08x = 617,617.44 × 186,899.76 - Step 4: Simplify right side
411,778.08x = 115,432,551,307.81 - Step 5: Solve for x
x = 115,432,551,307.81/411,778.08 - Step 6: Final answer
x = 280,327.09
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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.