Finding the Fourth Proportional to 407,636.98, 562,583.99 and 233,223.38
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Solution
The fourth proportional to 407,636.98, 562,583.99 and 233,223.38 is: 321,873.99
Step by Step Solution
- Step 1: Write the proportion equation
407,636.98 : 562,583.99 = 233,223.38 : x - Step 2: Convert to fraction form
407,636.98/562,583.99 = 233,223.38/x - Step 3: Cross multiply
407,636.98x = 562,583.99 × 233,223.38 - Step 4: Simplify right side
407,636.98x = 131,207,739,681.69 - Step 5: Solve for x
x = 131,207,739,681.69/407,636.98 - Step 6: Final answer
x = 321,873.99
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1.5x scale
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.