Finding the Fourth Proportional to 411,390.08, 567,770.90 and 230,112.08
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Solution
The fourth proportional to 411,390.08, 567,770.90 and 230,112.08 is: 317,584.09
Step by Step Solution
- Step 1: Write the proportion equation
411,390.08 : 567,770.90 = 230,112.08 : x - Step 2: Convert to fraction form
411,390.08/567,770.90 = 230,112.08/x - Step 3: Cross multiply
411,390.08x = 567,770.90 × 230,112.08 - Step 4: Simplify right side
411,390.08x = 130,650,942,762.47 - Step 5: Solve for x
x = 130,650,942,762.47/411,390.08 - Step 6: Final answer
x = 317,584.09
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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.