Finding the Fourth Proportional to 423,724.60, 584,744.16 and 230,136.09
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Solution
The fourth proportional to 423,724.60, 584,744.16 and 230,136.09 is: 317,590.09
Step by Step Solution
- Step 1: Write the proportion equation
423,724.60 : 584,744.16 = 230,136.09 : x - Step 2: Convert to fraction form
423,724.60/584,744.16 = 230,136.09/x - Step 3: Cross multiply
423,724.60x = 584,744.16 × 230,136.09 - Step 4: Simplify right side
423,724.60x = 134,570,734,632.73 - Step 5: Solve for x
x = 134,570,734,632.73/423,724.60 - Step 6: Final answer
x = 317,590.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.