Finding the Fourth Proportional to 411,380.92, 617,279.06 and 186,598.08
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Solution
The fourth proportional to 411,380.92, 617,279.06 and 186,598.08 is: 279,991.32
Step by Step Solution
- Step 1: Write the proportion equation
411,380.92 : 617,279.06 = 186,598.08 : x - Step 2: Convert to fraction form
411,380.92/617,279.06 = 186,598.08/x - Step 3: Cross multiply
411,380.92x = 617,279.06 × 186,598.08 - Step 4: Simplify right side
411,380.92x = 115,183,087,420.21 - Step 5: Solve for x
x = 115,183,087,420.21/411,380.92 - Step 6: Final answer
x = 279,991.32
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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.