Finding the Fourth Proportional to 411,626.48, 617,084.87 and 159,084.14
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Solution
The fourth proportional to 411,626.48, 617,084.87 and 159,084.14 is: 238,489.06
Step by Step Solution
- Step 1: Write the proportion equation
411,626.48 : 617,084.87 = 159,084.14 : x - Step 2: Convert to fraction form
411,626.48/617,084.87 = 159,084.14/x - Step 3: Cross multiply
411,626.48x = 617,084.87 × 159,084.14 - Step 4: Simplify right side
411,626.48x = 98,168,411,970.12 - Step 5: Solve for x
x = 98,168,411,970.12/411,626.48 - Step 6: Final answer
x = 238,489.06
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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.