Finding the Fourth Proportional to 414,486.24, 571,988.16 and 235,638.24
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Solution
The fourth proportional to 414,486.24, 571,988.16 and 235,638.24 is: 325,179.15
Step by Step Solution
- Step 1: Write the proportion equation
414,486.24 : 571,988.16 = 235,638.24 : x - Step 2: Convert to fraction form
414,486.24/571,988.16 = 235,638.24/x - Step 3: Cross multiply
414,486.24x = 571,988.16 × 235,638.24 - Step 4: Simplify right side
414,486.24x = 134,782,283,323.24 - Step 5: Solve for x
x = 134,782,283,323.24/414,486.24 - Step 6: Final answer
x = 325,179.15
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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.