Finding the Fourth Proportional to 403,993.36, 557,627.88 and 234,265.36
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Solution
The fourth proportional to 403,993.36, 557,627.88 and 234,265.36 is: 323,354.07
Step by Step Solution
- Step 1: Write the proportion equation
403,993.36 : 557,627.88 = 234,265.36 : x - Step 2: Convert to fraction form
403,993.36/557,627.88 = 234,265.36/x - Step 3: Cross multiply
403,993.36x = 557,627.88 × 234,265.36 - Step 4: Simplify right side
403,993.36x = 130,632,896,054.24 - Step 5: Solve for x
x = 130,632,896,054.24/403,993.36 - Step 6: Final answer
x = 323,354.07
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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.